How far is San Diego, CA from Ontario, 08?

The driving distance from San Diego, CA to Ontario, 08 is about 2441 miles (3928.4 km), with a travel time of about 44h 21m by car.

  • The straight-line flight distance is about 2026.7 miles (3261.7 km).
  • For a round trip, plan for roughly 88h 43m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
2441 mi
44h 21m
Flight
2026.71 mi
3261.68 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from San Diego.

Flight Distance

Direct air line
2026.71 mi
Kilometers
3261.68 km
Flight Time
04h 04m

Driving Distance

Road route
2441 mi
Kilometers
3928.41 km
Drive Time
44h 21m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 44h 21m.

Arrival Snapshot
Arrive in Ontario
Tue, Oct 27, 5:43 AM EDT
Return by in San Diego
Wed, Oct 28, 11:04 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Diego
2026-10-25T06:21
Arrive Ontario
Tue, Oct 27, 2:43 AM PDT
Route Timing
44h 21m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
5:22 AM to 6:52 AM EDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
7:16 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in San Diego
8:00 PM PDT
Overnight-style route

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Crook
CO

Town of the United States

From San Diego
1203.1 mi
22h 10m
To Ontario
1237.9 mi
22h 10m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
79°F
Sunday

Sunny

Starts
Sun, Oct 25 6:00 AM PDT
Wind
0 to 5 mph NW
Destination

Forecast data is not available for this endpoint yet.

Driving Route Map

The map below follows the saved road route between San Diego and Ontario.

Turn-by-Turn Driving Directions

Step-by-step road directions between San Diego and Ontario.

  1. 1

    Start on Front Street

    8 m · 6 sec · Front Street

  2. 2

    Turn left onto West Broadway

    3088 ft · 1 min · West Broadway

  3. 3

    Turn left onto 11th Avenue

    1146 ft · 25 sec · 11th Avenue

  4. 4

    Continue on Cabrillo Parkway

    2.4 mi · 3 min · Cabrillo Parkway

  5. 5

    Continue on Cabrillo Freeway

    8.3 mi · 10 min · Cabrillo Freeway

  6. 6

    Keep slight left

    2688 ft · 35 sec

  7. 7

    Continue on Semper Fi Highway

    1.8 mi · 2 min · Semper Fi Highway

  8. 8

    Continue on Escondido Freeway

    3.1 mi · 4 min · Escondido Freeway

  9. 9

    Continue on Tony Gwynn Memorial Freeway

    4.6 mi · 5 min · Tony Gwynn Memorial Freeway

  10. 10

    Continue on Escondido Freeway

    5.9 mi · 7 min · Escondido Freeway

  11. 11

    Keep slight left to continue on Escondido Freeway

    6.9 mi · 8 min · Escondido Freeway

  12. 12

    Continue on Avocado Highway

    21.9 mi · 23 min · Avocado Highway

  13. 13

    Continue on Escondido Freeway

    6.3 mi · 7 min · Escondido Freeway

  14. 14

    Take the exit slight right toward I 215

    1510 ft · 18 sec

  15. 15

    Continue on Escondido Freeway

    34.5 mi · 40 min · Escondido Freeway

  16. 16

    Keep slight right to continue on I 215 North: San Bernardino, Barstow

    2413 ft · 51 sec

  17. 17

    Merge slight left onto Riverside Freeway

    5.4 mi · 6 min · Riverside Freeway

  18. 18

    Continue on San Bernardino Freeway

    5.5 mi · 6 min · San Bernardino Freeway

  19. 19

    Continue on Barstow Freeway

    8.9 mi · 10 min · Barstow Freeway

  20. 20

    Keep slight left

    1141 ft · 14 sec

  21. 21

    Continue on Barstow and Mojave Freeway

    6.8 mi · 7 min · Barstow and Mojave Freeway

  22. 22

    Continue on CHP Officer Larry L. Wetterling and San Bernardino County Sheriff's Lieutenant Alfred E. Stewart Memorial Highway

    5.4 mi · 6 min · CHP Officer Larry L. Wetterling and San Bernardino County Sheriff's Lieutenant Alfred E. Stewart Memorial Highway

  23. 23

    Continue on Barstow and Mojave Freeway

    45.6 mi · 49 min · Barstow and Mojave Freeway

  24. 24

    Keep slight left to continue on Barstow and Mojave Freeway

    112 mi · 2 hr · Barstow and Mojave Freeway

  25. 25

    Continue on Las Vegas Freeway

    123.8 mi · 2 hr 10 min · Las Vegas Freeway

  26. 26

    Continue on Veterans Memorial Highway

    161.6 mi · 2 hr 41 min · Veterans Memorial Highway

  27. 27

    Take the exit slight right toward I 70 East: Richfield, Denver

    2705 ft · 1 min

  28. 28

    Continue straight

    501.3 mi · 8 hr 40 min

  29. 29

    Keep slight left to continue on Heartland Expressway

    12.6 mi · 15 min · Heartland Expressway

  30. 30

    Keep slight right to continue on Heartland Expressway

    174.7 mi · 2 hr 55 min · Heartland Expressway

  31. 31

    Merge slight left

    474.5 mi · 8 hr 11 min

  32. 32

    Keep slight right to continue on I 35, I 80 East: Chicago, Minneapolis, Kansas City

    14.4 mi · 17 min

  33. 33

    Keep slight left

    4.5 mi · 5 min

  34. 34

    Take the exit slight right toward US 6 West, US 65 North, IA 330 North: Marshalltown, Bondurant

    2428 ft · 1 min

  35. 35

    Turn left onto Northeast Hubbell Avenue

    1.2 mi · 2 min · Northeast Hubbell Avenue

  36. 36

    Continue on Northeast Hubbell Road

    33.5 mi · 39 min · Northeast Hubbell Road

  37. 37

    Take the exit right

    2792 ft · 1 min

  38. 38

    Merge slight left onto Lincoln Highway

    37 mi · 43 min · Lincoln Highway

  39. 39

    Continue on 73rd Street

    26.8 mi · 31 min · 73rd Street

  40. 40

    Take the exit slight right toward IA 100 East: Cedar Rapids, Marion

    1.6 km · 2 min

  41. 41

    Continue straight

    9.4 mi · 11 min

  42. 42

    Keep slight right to continue on Collins Road Northeast

    5.9 mi · 8 min · Collins Road Northeast

  43. 43

    Turn left

    1.1 mi · 2 min

  44. 44

    Turn right onto Marion Airport Road

    24.1 mi · 28 min · Marion Airport Road

  45. 45

    Continue on 200th Avenue

    32.4 mi · 37 min · 200th Avenue

  46. 46

    Keep slight left

    5.1 mi · 7 min

  47. 47

    Keep slight left

    50.9 mi · 1 hr

  48. 48

    Continue on US Highway 18 and 151

    37.4 mi · 44 min · US Highway 18 and 151

  49. 49

    Take the exit slight right toward US 12 East, US 14 East, US 18 East, US 151 North

    2419 ft · 1 min

  50. 50

    Merge slight left onto West Beltline Highway

    8.8 mi · 12 min · West Beltline Highway

  51. 51

    Take the exit slight left toward I 39 North, I 90 West: Milwaukee, Wisconsin Dells

    1.3 km · 1 min

  52. 52

    Merge slight left

    5.1 mi · 5 min

  53. 53

    Take the exit slight right toward US 151: Madison, Sun Prairie

    1523 ft · 37 sec

  54. 54

    Keep slight left to continue on US 151 North: Sun Prairie

    1283 ft · 27 sec

  55. 55

    Keep slight right to continue on US 151 North: Sun Prairie

    2089 ft · 51 sec

  56. 56

    Merge slight left

    50 mi · 56 min

  57. 57

    Take the exit slight right toward WI 26 North: Rosendale

    1003 ft · 25 sec

  58. 58

    Keep slight right

    1919 ft · 47 sec

  59. 59

    Turn left onto State Highway 26

    10.1 mi · 14 min · State Highway 26

  60. 60

    Continue on South Main Street

    1 mi · 3 min · South Main Street

  61. 61

    Continue on State Highway 26

    10.9 mi · 15 min · State Highway 26

  62. 62

    Turn left onto I-41_North: Appleton, Green_Bay

    1503 ft · 39 sec

  63. 63

    Merge slight left onto Appleton

    73.1 mi · 1 hr 19 min

  64. 64

    Keep slight right to continue on US 41, LMCT: Oconto, Marinette

    32.7 mi · 38 min

  65. 65

    Turn left onto Roosevelt Road

    1.2 km · 1 min · Roosevelt Road

  66. 66

    Continue on County Road T

    2167 ft · 43 sec · County Road T

  67. 67

    Enter the roundabout and take exit 1 toward Hall Avenue

    7 m · 2 sec · Hall Avenue

  68. 68

    Exit the roundabout onto Hall Avenue

    1 mi · 2 min · Hall Avenue

  69. 69

    At the end of the road, turn left onto Marinette Avenue

    156 m · 24 sec · Marinette Avenue

  70. 70

    Continue on Hall Avenue

    2845 ft · 2 min · Hall Avenue

  71. 71

    Continue on Interstate Bridge

    865 ft · 21 sec · Interstate Bridge

  72. 72

    Continue on Bridge Street

    1939 ft · 47 sec · Bridge Street

  73. 73

    Continue on 10th Avenue

    1449 ft · 28 sec · 10th Avenue

  74. 74

    Turn left onto 10th Street

    1.8 mi · 4 min · 10th Street

  75. 75

    Keep slight right to continue on North Shore Drive

    54.3 mi · 1 hr 8 min · North Shore Drive

  76. 76

    Continue on US-2/US-41/M-35

    46 mi · 55 min · US-2/US-41/M-35

  77. 77

    Continue on West Lakeshore Drive

    44 mi · 53 min · West Lakeshore Drive

  78. 78

    Turn left onto Country Avenue

    14.5 mi · 22 min · Country Avenue

  79. 79

    At the end of the road, turn right

    26.7 mi · 31 min

  80. 80

    Turn left

    21.9 mi · 25 min

  81. 81

    Continue on North Whitefish Point Road

    11.2 mi · 21 min · North Whitefish Point Road

  82. 82

    At the end of the road, turn left

    22 m · 5 sec

  83. 83

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between San Diego and Ontario.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
83 steps
16 turns on the saved route
Ramps & Exits
18
7 merges, 11 ramps or exits
Navigation Density
3.4 / 100 mi
Decision points by distance
Main Roads
Heartland Expressway
662 mi · 27%
I 70 East
502 mi · 21%
Barstow and Mojave Freeway
165 mi · 7%
Veterans Memorial Highway
162 mi · 7%
Las Vegas Freeway
124 mi · 5%
200th Avenue
88.4 mi · 4%
Longest Stretch

I 70 East

Continue straight

501 mi · 08h 41m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
44h 21m
Overnight route
Same-Day Return
88h 44m
Round-trip wheel time
Road vs Air
+414.3 mi
2026.7 mi direct line
Halfway Stop
Crook
22h 10m from San Diego
Leave By
7:16 PM PDT
Overnight-style route
Weather Watch

Sunny near San Diego.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from San Diego to Ontario?

The road trip is about 2441 miles (3928.4 km) and usually takes 44h 21m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Crook is a useful midpoint, sitting about 1203.1 miles from San Diego and 1237.9 miles from Ontario.

How much longer is the road route than the straight-line distance?

The direct path is about 2026.7 miles (3261.7 km), while the road route adds roughly 414.3 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 6:00 AM to 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $521.92 one way or $1,043.84 round trip. Estimated CO2 is about 765.5 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 3 hour time difference between San Diego and Ontario, so arrival and return times should be read in local time.

What should you check before leaving?

Before leaving, the latest forecast around San Diego is Sunny.

Stop Ideas Near Crook

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Crook, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Crook.

RAIL

Fort Morgan

109 mi away
South Ensign St and Main St

Flight Path Map

This map shows the direct air route between San Diego and Ontario. Straight-line distance: 2026.71 mi (3261.68 km).

San Diego

#1 San Diego

The eighth most populous city in the United States and the center of the San Diego metropolitan area.

Population1,422,420
Coordinates32.7157100, -117.1647200
Altitude20
CountryUnited States
Photo coming soon

#2 Ontario

Province of Canada

Population14,279,196
Coordinates49.250135627, -84.499834324
Altitude0
CountryCanada
Start: San Diego (-117.16472, 32.71571)
End: Ontario (-84.499834, 49.250136)

Estimated Travel Time

Distance: 3928 km by road

SpeedTime
30 mph (48.3 km/h)81h 20m
40 mph (64.37 km/h)61h 01m
50 mph (80.47 km/h)48h 49m
60 mph (96.56 km/h)40h 41m
70 mph (112.65 km/h)34h 52m
80 mph (129 km/h)30h 27m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
86.14 gal
326.06 L · about $521.92
Round trip
$1,043.84
172.28 gal · 652.12 L
Estimated CO2
765.5 kg one way
Round trip: 1531.1 kg / 3375 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $6.06 $521.92 $1,043.84
Mid-grade $6.29 $542.17 $1,084.33
Premium $6.49 $558.70 $1,117.41
Diesel $8.48 $730.04 $1,460.07

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in California · Oct 24, 2026

Please keep in mind that there is a 3 hours time gap between San Diego, CA and Ontario. The current time in San Diego is 06:21:39, although it is 09:21:39 in Ontario.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.