How far is Portola, CA from Glendora, CA?

The driving distance from Portola, CA to Glendora, CA is about 550.8 miles (886.5 km), with a travel time of about 10h 23m by car.

  • The straight-line flight distance is about 417.5 miles (671.9 km).
  • For a round trip, plan for roughly 20h 46m 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
550.83 mi
10h 23m
Flight
417.52 mi
671.93 km direct

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

Learn Distance

Choose another destination from Portola.

Flight Distance

Direct air line
417.52 mi
Kilometers
671.93 km
Flight Time
00h 50m

Driving Distance

Road route
550.83 mi
Kilometers
886.47 km
Drive Time
10h 23m

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 10h 23m.

Arrival Snapshot
Arrive in Glendora
Thu, Oct 15, 10:42 PM PDT
Return by in Portola
Fri, Oct 16, 9:05 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Portola
2026-10-15T12:19
Arrive Glendora
Thu, Oct 15, 10:42 PM PDT
Route Timing
10h 23m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
4:23 PM to 5:53 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
3:14 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Portola
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
Los Banos
CA

The county seat of Merced County, California.

From Portola
275.5 mi
05h 11m
To Glendora
275.3 mi
05h 11m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Thursday

Sunny

Starts
Thu, Oct 15 6:00 AM PDT
Wind
5 to 15 mph E
Destination
88°F
Today

Sunny

Starts
Thu, Oct 15 9:00 AM PDT
Wind
5 to 10 mph NE

Driving Route Map

The map below follows the saved road route between Portola and Glendora.

Turn-by-Turn Driving Directions

Step-by-step road directions between Portola and Glendora.

  1. 1

    Start on the route

    21 m · 7 sec

  2. 2

    Turn right onto East Sierra Avenue

    2774 ft · 59 sec · East Sierra Avenue

  3. 3

    Continue on Feather River Highway

    3.8 mi · 5 min · Feather River Highway

  4. 4

    Turn right onto Beckwourth Calpine Road

    8.6 mi · 10 min · Beckwourth Calpine Road

  5. 5

    Continue on Westside Road

    6.8 mi · 8 min · Westside Road

  6. 6

    At the end of the road, turn left

    4 mi · 6 min

  7. 7

    Turn right onto South Lincoln Street

    22.5 mi · 32 min · South Lincoln Street

  8. 8

    Enter the roundabout and take exit 2 toward the route

    42 m · 2 sec

  9. 9

    Exit the roundabout

    1494 ft · 24 sec

  10. 10

    Enter the roundabout and take exit 1 toward Truckee Way

    9 m · 1 sec · Truckee Way

  11. 11

    Exit the roundabout onto Truckee Way

    797 ft · 15 sec · Truckee Way

  12. 12

    Enter the roundabout and take exit 2 toward Truckee Way

    31 m · 2 sec · Truckee Way

  13. 13

    Exit the roundabout onto Truckee Way

    617 ft · 12 sec · Truckee Way

  14. 14

    Take the ramp right

    1 km · 1 min

  15. 15

    Merge slight left onto Alan S. Hart Freeway

    84.2 mi · 1 hr 37 min · Alan S. Hart Freeway

  16. 16

    Continue on Dwight D. Eisenhower Highway

    7.1 mi · 8 min · Dwight D. Eisenhower Highway

  17. 17

    Keep slight right to continue on Capital City Freeway

    4.9 mi · 5 min · Capital City Freeway

  18. 18

    Keep slight left to continue on Capital City Freeway

    3.7 mi · 4 min · Capital City Freeway

  19. 19

    Keep slight right to continue on Capital City Freeway

    1.9 mi · 2 min · Capital City Freeway

  20. 20

    Take the exit slight right toward I 5: Los Angeles, Redding

    803 ft · 15 sec

  21. 21

    Keep slight left to continue on I 5 South: Los Angeles

    1.3 km · 2 min

  22. 22

    Merge slight left onto Westside Freeway

    59 mi · 1 hr 5 min · Westside Freeway

  23. 23

    Keep slight left to continue on Westside Freeway

    1.2 km · 49 sec · Westside Freeway

  24. 24

    Keep slight left to continue on Westside Freeway

    236.6 mi · 4 hr 14 min · Westside Freeway

  25. 25

    Keep slight right

    58.4 mi · 1 hr 7 min

  26. 26

    Keep slight left to continue on Golden State Freeway

    2 mi · 2 min · Golden State Freeway

  27. 27

    Take the exit slight right toward I 210 East: Pasadena

    1347 ft · 18 sec

  28. 28

    Continue on Foothill Freeway

    24.4 mi · 28 min · Foothill Freeway

  29. 29

    Keep slight right to continue on Foothill Freeway

    17 mi · 20 min · Foothill Freeway

  30. 30

    Take the exit slight right toward Grand Avenue

    1089 ft · 27 sec

  31. 31

    Keep slight right to continue on Grand Avenue South

    1023 ft · 25 sec

  32. 32

    Turn slight right onto South Grand Avenue

    146 m · 15 sec · South Grand Avenue

  33. 33

    Continue on South Grand Avenue

    1.2 mi · 3 min · South Grand Avenue

  34. 34

    Turn right onto West Foothill Boulevard

    2182 ft · 48 sec · West Foothill Boulevard

  35. 35

    Arrive at your destination

    0 m · 1 sec · East Foothill Boulevard

Car Route Details

A richer read on the saved driving route between Portola and Glendora.

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
35 steps
12 turns on the saved route
Ramps & Exits
12
2 merges, 10 ramps or exits
Navigation Density
6.4 / 100 mi
Decision points by distance
Main Roads
Westside Freeway
355 mi · 64%
Alan S. Hart Freeway
84.2 mi · 15%
Foothill Freeway
41.4 mi · 8%
South Lincoln Street
22.9 mi · 4%
Capital City Freeway
10.6 mi · 2%
Beckwourth Calpine Road
8.62 mi · 2%
Longest Stretch

Westside Freeway

Keep slight left to continue on Westside Freeway

237 mi · 04h 14m

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
10h 23m
Overnight route
Same-Day Return
20h 46m
Round-trip wheel time
Road vs Air
+133.3 mi
417.5 mi direct line
Halfway Stop
Los Banos
05h 11m from Portola
Leave By
3:14 PM PDT
Overnight-style route
Weather Watch

Sunny leaving Portola and Sunny near Glendora.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Portola to Glendora?

The road trip is about 550.8 miles (886.5 km) and usually takes 10h 23m 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?

Los Banos is a useful midpoint, sitting about 275.5 miles from Portola and 275.3 miles from Glendora.

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

The direct path is about 417.5 miles (671.9 km), while the road route adds roughly 133.3 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 $121.71 one way or $243.43 round trip. Estimated CO2 is about 172.8 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Portola and Sunny near Glendora.

Stop Ideas Near Los Banos

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

Mid-route Guidance
Local place coverage is thin around Los Banos, 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 Los Banos.

RAIL

Merced station

43 mi away
324 West 24th St
RAIL

Denair station

53 mi away
3800 Santa Fe Avenue
BUS

Gilroy, California

64 mi away
7250 Monterey Street
RAIL

Modesto station

68 mi away
1700 Held Drive

Flight Path Map

This map shows the direct air route between Portola and Glendora. Straight-line distance: 417.52 mi (671.93 km).

Portola

#1 Portola

City in Plumas County, California, United States

Population1,913
Coordinates39.8104600, -120.4691000
Altitude1480
CountryUnited States
Glendora

#2 Glendora

A city in Los Angeles County, California.

Population50,517
Coordinates34.1361200, -117.8653400
Altitude236
CountryUnited States
Start: Portola (-120.4691, 39.81046)
End: Glendora (-117.86534, 34.13612)

Estimated Travel Time

Distance: 886 km by road

SpeedTime
30 mph (48.3 km/h)18h 21m
40 mph (64.37 km/h)13h 46m
50 mph (80.47 km/h)11h 00m
60 mph (96.56 km/h)09h 10m
70 mph (112.65 km/h)07h 52m
80 mph (129 km/h)06h 52m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
19.44 gal
73.58 L · about $121.71
Round trip
$243.43
38.88 gal · 147.16 L
Estimated CO2
172.8 kg one way
Round trip: 345.5 kg / 762 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $6.26 $121.71 $243.43
Mid-grade $6.50 $126.34 $252.68
Premium $6.69 $130.03 $260.07
Diesel $8.41 $163.55 $327.10

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 15, 2026

There is no time difference between Portola and Glendora. The current time is 12:19:21.

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.