How far is Rancho Cucamonga, CA from Fremont, CA?

The driving distance from Rancho Cucamonga, CA to Fremont, CA is about 391.2 miles (629.5 km), with a travel time of about 06h 29m by car.

  • The straight-line flight distance is about 342.3 miles (550.8 km).
  • For a round trip, plan for roughly 12h 58m 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
391.15 mi
06h 29m
Flight
342.24 mi
550.78 km direct

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

Learn Distance

Choose another destination from Rancho Cucamonga.

Flight Distance

Direct air line
342.24 mi
Kilometers
550.78 km
Flight Time
00h 41m

Driving Distance

Road route
391.15 mi
Kilometers
629.5 km
Drive Time
06h 29m

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 06h 29m.

Arrival Snapshot
Arrive in Fremont
Wed, Apr 29, 4:53 AM PDT
Return by in Rancho Cucamonga
Wed, Apr 29, 11:22 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rancho Cucamonga
2026-04-28T22:23
Arrive Fremont
Wed, Apr 29, 4:53 AM PDT
Route Timing
06h 29m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
12:29 PM to 1:59 PM PDT

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

Leave by
11:02 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Rancho Cucamonga
8:00 PM PDT
Overnight-style route

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

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

Mid-route stop
Kettleman City
CA

Census-designated place in Kings County, California

From Rancho Cucamonga
195.4 mi
03h 14m
To Fremont
195.8 mi
03h 14m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Tuesday

Sunny

Starts
Tue, Apr 28 6:00 AM PDT
Wind
0 to 10 mph SW
Destination
48°F
Tonight

Mostly Clear then Patchy Fog

Starts
Tue, Apr 28 9:00 PM PDT
Wind
5 to 8 mph SSW

Driving Route Map

The map below follows the saved road route between Rancho Cucamonga and Fremont.

Turn-by-Turn Driving Directions

Step-by-step road directions between Rancho Cucamonga and Fremont.

  1. 1

    Start on the route

    41 m · 13 sec

  2. 2

    Turn uturn onto Archibald Avenue

    2.1 mi · 4 min · Archibald Avenue

  3. 3

    Take the ramp left toward CA 210 West

    1895 ft · 48 sec

  4. 4

    Merge slight left onto Foothill Freeway

    5.5 mi · 6 min · Foothill Freeway

  5. 5

    Keep slight right to continue on Foothill Freeway

    1.2 mi · 1 min · Foothill Freeway

  6. 6

    Keep slight right to continue on Foothill Freeway

    2.4 mi · 3 min · Foothill Freeway

  7. 7

    Keep slight right to continue on Foothill Freeway

    1.4 mi · 2 min · Foothill Freeway

  8. 8

    Keep slight right to continue on Foothill Freeway

    1.8 mi · 2 min · Foothill Freeway

  9. 9

    Keep slight right to continue on Foothill Freeway

    20 mi · 23 min · Foothill Freeway

  10. 10

    Keep slight right to continue on Foothill Freeway

    25.6 mi · 30 min · Foothill Freeway

  11. 11

    Keep slight right

    686 ft · 9 sec

  12. 12

    Merge slight right

    1.6 km · 1 min

  13. 13

    Keep slight left

    36.1 mi · 42 min

  14. 14

    Keep slight left to continue on Golden State Freeway

    22.3 mi · 25 min · Golden State Freeway

  15. 15

    Keep slight right to continue on Westside Freeway

    182.5 mi · 3 hr 16 min · Westside Freeway

  16. 16

    Take the exit slight right toward CA 152 West: Gilroy, Hollister, San Jose

    1038 ft · 27 sec

  17. 17

    Continue straight

    28.7 mi · 33 min

  18. 18

    Keep slight right

    11.9 mi · 17 min

  19. 19

    Take the exit slight right toward US 101 North: San Jose

    2466 ft · 1 min

  20. 20

    Merge slight left onto South Valley Freeway

    19.9 mi · 23 min · South Valley Freeway

  21. 21

    Keep slight left

    12.2 mi · 14 min

  22. 22

    Take the exit slight right toward I 880 North: Oakland

    1188 ft · 29 sec

  23. 23

    Merge slight left onto Nimitz Freeway

    7.3 mi · 8 min · Nimitz Freeway

  24. 24

    Keep slight right to continue on Nimitz Freeway

    5.7 mi · 7 min · Nimitz Freeway

  25. 25

    Take the exit slight right toward Mowry Avenue, Central Fremont

    1419 ft · 36 sec

  26. 26

    Turn right onto Mowry Avenue

    1.4 mi · 3 min · Mowry Avenue

  27. 27

    Arrive at your destination

    0 m · 1 sec · Mowry Avenue

Car Route Details

A richer read on the saved driving route between Rancho Cucamonga and Fremont.

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
27 steps
2 turns on the saved route
Ramps & Exits
9
4 merges, 5 ramps or exits
Navigation Density
6.9 / 100 mi
Decision points by distance
Main Roads
Westside Freeway
183 mi · 47%
Foothill Freeway
95.2 mi · 24%
CA 152 West
40.9 mi · 10%
South Valley Freeway
32.1 mi · 8%
Golden State Freeway
22.3 mi · 6%
Nimitz Freeway
13 mi · 3%
Longest Stretch

Westside Freeway

Keep slight right to continue on Westside Freeway

183 mi · 03h 16m

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
06h 29m
Overnight route
Same-Day Return
12h 58m
Round-trip wheel time
Road vs Air
+48.9 mi
342.3 mi direct line
Halfway Stop
Kettleman City
03h 14m from Rancho Cucamonga
Leave By
11:02 PM PDT
Overnight-style route
Weather Watch

Sunny leaving Rancho Cucamonga and Mostly Clear then Patchy Fog near Fremont.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Rancho Cucamonga to Fremont?

The road trip is about 391.2 miles (629.5 km) and usually takes 06h 29m 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?

Kettleman City is a useful midpoint, sitting about 195.4 miles from Rancho Cucamonga and 195.8 miles from Fremont.

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

The direct path is about 342.3 miles (550.8 km), while the road route adds roughly 48.9 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 $79.61 one way or $159.22 round trip. Estimated CO2 is about 122.6 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Rancho Cucamonga and Mostly Clear then Patchy Fog near Fremont.

Stop Ideas Near Kettleman City

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

Mid-route Guidance
Local place coverage is thin around Kettleman City, 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 Kettleman City.

BUS

Kettleman City, California

3 mi away
3300 Hubert Way
BUS

Lemoore, California

34 mi away
300 E Street
RAIL

Corcoran station

38 mi away
1099 Otis Ave.
BUS

Lemoore (Naval Air Station), California

41 mi away
25th Ave and Highway 198

Flight Path Map

This map shows the direct air route between Rancho Cucamonga and Fremont. Straight-line distance: 342.24 mi (550.78 km).

Rancho Cucamonga

#1 Rancho Cucamonga

The sixth most populous city in San Bernardino County, California.

Population178,849
Coordinates34.1064000, -117.5931100
Altitude368
CountryUnited States
Fremont

#2 Fremont

The fifth most populous city in California.

Population234,569
Coordinates37.5482700, -121.9885700
Altitude17
CountryUnited States
Start: (-117.593204, 34.106399)
End: Mowry Avenue (-121.988548, 37.548259)

Estimated Travel Time

Distance: 630 km by road

SpeedTime
30 mph (48.3 km/h)13h 01m
40 mph (64.37 km/h)09h 46m
50 mph (80.47 km/h)07h 49m
60 mph (96.56 km/h)06h 31m
70 mph (112.65 km/h)05h 35m
80 mph (129 km/h)04h 52m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
13.8 gal
52.25 L · about $79.61
Round trip
$159.22
27.6 gal · 104.5 L
Estimated CO2
122.6 kg one way
Round trip: 245.3 kg / 541 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $79.61 $159.22
Mid-grade $6.07 $83.71 $167.42
Premium $6.24 $86.15 $172.31
Diesel $7.57 $104.42 $208.85

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 · Apr 29, 2026

There is no time difference between Rancho Cucamonga and Fremont. The current time is 22:23:56.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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