How far is Irvine, CA from Mendota, CA?
The driving distance from Irvine, CA to Mendota, CA is about 279.4 miles (449.6 km), with a travel time of about 05h 18m by car.
- The straight-line flight distance is about 257.4 miles (414.2 km).
- For a round trip, plan for roughly 10h 36m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 05h 18m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Monterey County, California, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Irvine and Mendota.
Turn-by-Turn Driving Directions
Step-by-step road directions between Irvine and Mendota.
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1
Start on San Diego Freeway
1.4 mi · 2 min · San Diego Freeway
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2
Take the exit slight right toward University Drive, Jeffrey Road
1456 ft · 21 sec
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3
Turn left onto Jeffrey Road
951 ft · 22 sec · Jeffrey Road
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4
Take the ramp slight right toward I 405 North: Los Angeles
1228 ft · 18 sec
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5
Merge slight left onto San Diego Freeway
4.2 mi · 5 min · San Diego Freeway
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6
Take the exit slight right toward CA 55 South, CA 55 North: Freeway
1254 ft · 16 sec
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7
Keep slight right to continue on CA 55 North
2685 ft · 35 sec
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8
Merge slight left onto Costa Mesa Freeway
3.2 mi · 4 min · Costa Mesa Freeway
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9
Keep slight right to continue on Costa Mesa Freeway
2136 ft · 28 sec · Costa Mesa Freeway
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10
Take the exit slight right toward I 5 North: Santa Ana
1.1 km · 47 sec
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11
Merge slight left onto Santa Ana Freeway
2756 ft · 36 sec · Santa Ana Freeway
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12
Keep slight right to continue on Santa Ana Freeway
1.7 mi · 2 min · Santa Ana Freeway
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13
Keep slight right to continue on Santa Ana Freeway
9.4 mi · 11 min · Santa Ana Freeway
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14
Keep slight right to continue on Santa Ana Freeway
18 mi · 21 min · Santa Ana Freeway
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15
Keep slight right to continue on Golden State Freeway
25.5 mi · 30 min · Golden State Freeway
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16
Keep slight left to continue on Golden State Freeway
2.2 mi · 3 min · Golden State Freeway
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17
Keep slight right to continue on I 5 Truck North, CA 14 Truck
1.5 mi · 2 min
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18
Keep slight left
36.1 mi · 42 min
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19
Keep slight left to continue on Golden State Freeway
22.3 mi · 25 min · Golden State Freeway
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20
Keep slight right to continue on Westside Freeway
128.6 mi · 2 hr 18 min · Westside Freeway
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21
Take the exit slight right toward CA 33 North: Mendota
1355 ft · 36 sec
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22
Turn right onto South Derrick Avenue
21.7 mi · 30 min · South Derrick Avenue
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23
Turn right onto 7th Street
1854 ft · 1 min · 7th Street
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24
Turn right onto Quince Street
38 m · 5 sec · Quince Street
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25
Arrive at your destination
0 m · 1 sec · Quince Street
Car Route Details
A richer read on the saved driving route between Irvine and Mendota.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Westside Freeway
Keep slight right to continue on Westside Freeway
129 mi · 02h 18m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving Irvine and Mostly Sunny near Mendota.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Irvine to Mendota?
The road trip is about 279.4 miles (449.6 km) and usually takes 05h 18m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Greenfield is a useful midpoint, sitting about 139.7 miles from Irvine and 139.6 miles from Mendota.
How much longer is the road route than the straight-line distance?
The direct path is about 257.4 miles (414.2 km), while the road route adds roughly 22 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 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 6:24 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $56.88 one way or $113.76 round trip. Estimated CO2 is about 87.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Irvine and Mostly Sunny near Mendota.
Stop Ideas Near Greenfield
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Greenfield.
Bakersfield
Wasco station
Tehachapi, California
Mojave, California
Flight Path Map
This map shows the direct air route between Irvine and Mendota. Straight-line distance: 257.4 mi (414.24 km).
#1 Irvine
A city located in Orange County, California.
| Population | 283,700 |
| Coordinates | 33.6694600, -117.8231100 |
| Altitude | 17 |
| Country | United States |
#2 Mendota
City in Illinois, United States
| Population | 12,427 |
| Coordinates | 36.7535600, -120.3815600 |
| Altitude | 53 |
| Country | United States |
End: Mendota (-120.38156, 36.75356)
Estimated Travel Time
Distance: 450 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 18m |
| 40 mph (64.37 km/h) | 06h 59m |
| 50 mph (80.47 km/h) | 05h 35m |
| 60 mph (96.56 km/h) | 04h 39m |
| 70 mph (112.65 km/h) | 03h 59m |
| 80 mph (129 km/h) | 03h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $56.88 | $113.76 |
| Mid-grade | $6.07 | $59.81 | $119.62 |
| Premium | $6.24 | $61.56 | $123.11 |
| Diesel | $7.57 | $74.61 | $149.22 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.