How far is Coronado, CA from Fontana, CA?
The driving distance from Coronado, CA to Fontana, CA is about 112.8 miles (181.6 km), with a travel time of about 02h 14m by car.
- The straight-line flight distance is about 98.2 miles (158.1 km).
- For a round trip, plan for roughly 04h 28m 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 14m.
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.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Coronado and Fontana.
Turn-by-Turn Driving Directions
Step-by-step road directions between Coronado and Fontana.
-
1
Start on Encino Lane
36 m · 15 sec · Encino Lane
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2
Turn left onto E Avenue
119 m · 19 sec · E Avenue
-
3
Turn right onto 10th Street
764 ft · 23 sec · 10th Street
-
4
Turn left onto Orange Avenue
1.1 km · 2 min · Orange Avenue
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5
Turn right onto 4th Street
1.2 km · 1 min · 4th Street
-
6
Continue on San Diego–Coronado Bridge
1.5 mi · 2 min · San Diego–Coronado Bridge
-
7
Take the exit slight left toward I 5 North: Downtown
2806 ft · 1 min
-
8
Merge slight left onto John J. Montgomery Freeway
928 ft · 11 sec · John J. Montgomery Freeway
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9
Take the exit slight right toward CA 94 East: J Street, Martin Luther king Junior Freeway
992 ft · 24 sec
-
10
Continue on 19th Street
983 ft · 22 sec · 19th Street
-
11
Take the ramp straight toward CA 94 East: Martin Luther King Junior Freeway
669 ft · 18 sec
-
12
Merge slight left onto Martin Luther King Junior Freeway
1.5 mi · 2 min · Martin Luther King Junior Freeway
-
13
Take the exit slight left toward CA 15 North
2347 ft · 57 sec
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14
Merge slight left onto Escondido Freeway
9.5 mi · 10 min · Escondido Freeway
-
15
Keep slight right to continue on Escondido Freeway
1.3 km · 55 sec · Escondido Freeway
-
16
Continue on Semper Fi Highway
1.8 mi · 2 min · Semper Fi Highway
-
17
Continue on Escondido Freeway
3.1 mi · 4 min · Escondido Freeway
-
18
Continue on Tony Gwynn Memorial Freeway
4.6 mi · 5 min · Tony Gwynn Memorial Freeway
-
19
Continue on Escondido Freeway
5.9 mi · 7 min · Escondido Freeway
-
20
Keep slight left to continue on Escondido Freeway
6.9 mi · 8 min · Escondido Freeway
-
21
Continue on Avocado Highway
21.9 mi · 23 min · Avocado Highway
-
22
Continue on Escondido Freeway
6.3 mi · 7 min · Escondido Freeway
-
23
Take the exit slight right toward I 215
1510 ft · 18 sec
-
24
Continue on Escondido Freeway
34.3 mi · 40 min · Escondido Freeway
-
25
Take the exit slight left
5 mi · 6 min
-
26
Take the exit slight right toward Valley Way
1006 ft · 31 sec
-
27
Turn right onto Valley Way
1948 ft · 35 sec · Valley Way
-
28
Continue on Armstrong Road
2679 ft · 55 sec · Armstrong Road
-
29
Turn left onto Sierra Avenue
5.1 mi · 8 min · Sierra Avenue
-
30
Turn right onto Merrill Avenue
63 m · 4 sec · Merrill Avenue
-
31
Arrive at your destination
0 m · 1 sec · Merrill Avenue
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.
Mostly Sunny leaving Coronado and Mostly Sunny near Fontana.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Coronado to Fontana?
The road trip is about 112.8 miles (181.6 km) and usually takes 02h 14m 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 56.5 miles from Coronado and 56.3 miles from Fontana.
How much longer is the road route than the straight-line distance?
The direct path is about 98.2 miles (158.1 km), while the road route adds roughly 14.6 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 2:02 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.96 one way or $45.92 round trip. Estimated CO2 is about 35.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Coronado and Mostly Sunny near Fontana.
Stop Ideas Near Rainbow
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Wildomar
Superior Court of California, County of Riverside - Southwest Justice Center
Vista Civic Center
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 Coronado and Fontana. Straight-line distance: 98.25 mi (158.12 km).
#1 Coronado
City in San Diego County, California, United States
| Population | 22,647 |
| Coordinates | 32.6858900, -117.1830900 |
| Altitude | 5 |
| 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: 182 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 45m |
| 40 mph (64.37 km/h) | 02h 49m |
| 50 mph (80.47 km/h) | 02h 15m |
| 60 mph (96.56 km/h) | 01h 52m |
| 70 mph (112.65 km/h) | 01h 36m |
| 80 mph (129 km/h) | 01h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $22.96 | $45.92 |
| Mid-grade | $6.07 | $24.14 | $48.29 |
| Premium | $6.24 | $24.85 | $49.69 |
| Diesel | $7.57 | $30.12 | $60.23 |
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 10, 2026