How far is Imperial Beach, CA from Fontana, CA?
The driving distance from Imperial Beach, CA to Fontana, CA is about 118 miles (189.9 km), with a travel time of about 02h 17m by car.
- The straight-line flight distance is about 105.9 miles (170.4 km).
- For a round trip, plan for roughly 04h 35m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 17m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Census-designated place in San Diego County, California, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Imperial Beach and Fontana.
Turn-by-Turn Driving Directions
Step-by-step road directions between Imperial Beach and Fontana.
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1
Start on Palm Avenue
114 m · 16 sec · Palm Avenue
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2
Continue on Palm Avenue
1.3 mi · 3 min · Palm Avenue
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3
Take the exit straight toward I 5: San Diego
117 m · 9 sec
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4
Keep slight left to continue on I 5 North: San Diego
2667 ft · 1 min
-
5
Merge slight left onto John J. Montgomery Freeway
7.2 mi · 8 min · John J. Montgomery Freeway
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6
Take the exit slight right toward CA 15 North: Riverside
1.3 km · 2 min
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7
Merge slight right onto Escondido Freeway
11 mi · 12 min · Escondido Freeway
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8
Keep slight right to continue on Escondido Freeway
1.3 km · 55 sec · Escondido Freeway
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9
Continue on Semper Fi Highway
1.8 mi · 2 min · Semper Fi Highway
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10
Continue on Escondido Freeway
3.1 mi · 4 min · Escondido Freeway
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11
Continue on Tony Gwynn Memorial Freeway
4.6 mi · 5 min · Tony Gwynn Memorial Freeway
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12
Continue on Escondido Freeway
5.9 mi · 7 min · Escondido Freeway
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13
Keep slight left to continue on Escondido Freeway
6.9 mi · 8 min · Escondido Freeway
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14
Continue on Avocado Highway
21.9 mi · 23 min · Avocado Highway
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15
Continue on Escondido Freeway
6.3 mi · 7 min · Escondido Freeway
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16
Take the exit slight right toward I 215
1510 ft · 18 sec
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17
Continue on Escondido Freeway
34.3 mi · 40 min · Escondido Freeway
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18
Take the exit slight left
5 mi · 6 min
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19
Take the exit slight right toward Valley Way
1006 ft · 31 sec
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20
Turn right onto Valley Way
1948 ft · 35 sec · Valley Way
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21
Continue on Armstrong Road
2679 ft · 55 sec · Armstrong Road
-
22
Turn left onto Sierra Avenue
5.1 mi · 8 min · Sierra Avenue
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23
Turn right onto Merrill Avenue
63 m · 4 sec · Merrill Avenue
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24
Arrive at your destination
0 m · 1 sec · Merrill Avenue
Car Route Details
A richer read on the saved driving route between Imperial Beach and Fontana.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Escondido Freeway
Continue on Escondido Freeway
34.3 mi · 00h 40m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Imperial Beach and Sunny near Fontana.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Imperial Beach to Fontana?
The road trip is about 118 miles (189.9 km) and usually takes 02h 17m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Rainbow is a useful midpoint, sitting about 59.1 miles from Imperial Beach and 58.9 miles from Fontana.
How much longer is the road route than the straight-line distance?
The direct path is about 105.9 miles (170.4 km), while the road route adds roughly 12.1 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 1:54 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.00 one way or $48.00 round trip. Estimated CO2 is about 37 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Imperial Beach and Sunny near Fontana.
Stop Ideas Near Rainbow
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 Rainbow.
Oceanside Transit Center
Sun City, California
Carlsbad Village station
Carlsbad Poinsettia, CA
Flight Path Map
This map shows the direct air route between Imperial Beach and Fontana. Straight-line distance: 105.86 mi (170.36 km).
#1 Imperial Beach
City in California, USA
| Population | 27,325 |
| Coordinates | 32.5839400, -117.1130800 |
| Altitude | 6 |
| Country | United States |
#2 Fontana
The second most populous city in San Bernardino County, California.
| Population | 216,173 |
| Coordinates | 34.0922300, -117.4350500 |
| Altitude | 377 |
| Country | United States |
End: Fontana (-117.43505, 34.09223)
Estimated Travel Time
Distance: 190 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 55m |
| 40 mph (64.37 km/h) | 02h 56m |
| 50 mph (80.47 km/h) | 02h 21m |
| 60 mph (96.56 km/h) | 01h 57m |
| 70 mph (112.65 km/h) | 01h 41m |
| 80 mph (129 km/h) | 01h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $24.00 | $48.00 |
| Mid-grade | $6.07 | $25.23 | $50.47 |
| Premium | $6.24 | $25.97 | $51.94 |
| Diesel | $7.57 | $31.48 | $62.96 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.