How far is Fontana, CA from Lemon Grove, CA?
The estimated driving distance from Fontana, CA to Lemon Grove, CA is about 120.2 miles (193.4 km), with a travel time of about 02h 29m by car.
- This page is using an estimated road distance while the full route geometry is refreshed.
- The straight-line flight distance is about 96.1 miles (154.7 km).
- For a round trip, plan for roughly 04h 59m 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 29m.
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.
Unincorporated community in San Diego County, California, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Chance Rain Showers
Driving Route Map
Road route is being refreshed. This page currently uses an estimated driving distance.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fontana and Lemon Grove.
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 Fontana and Chance Rain Showers near Lemon Grove.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fontana to Lemon Grove?
The road trip is about 120.2 miles (193.4 km) and usually takes 02h 29m 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?
Fallbrook is a useful midpoint, sitting about 48 miles from Fontana and 72.1 miles from Lemon Grove.
How much longer is the road route than the straight-line distance?
The direct path is about 96.1 miles (154.7 km), while the road route adds roughly 24.1 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 1:30 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.46 one way or $48.92 round trip. Estimated CO2 is about 37.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Fontana and Chance Rain Showers near Lemon Grove.
Stop Ideas Near Fallbrook
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 Fallbrook.
Oceanside Transit Center
Carlsbad Village station
Carlsbad Poinsettia, CA
San Clemente Pier station
Flight Path Map
This map shows the direct air route between Fontana and Lemon Grove. Straight-line distance: 96.11 mi (154.68 km).
#1 Fontana
The second most populous city in San Bernardino County, California.
| Population | 216,173 |
| Coordinates | 34.0922300, -117.4350500 |
| Altitude | 377 |
| Country | United States |
#2 Lemon Grove
City in San Diego County, California, USA
| Population | 26,528 |
| Coordinates | 32.7425500, -117.0314200 |
| Altitude | 136 |
| Country | United States |
End: Lemon Grove (-117.03142, 32.74255)
Estimated Travel Time
Distance: 193 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 00m |
| 40 mph (64.37 km/h) | 03h 00m |
| 50 mph (80.47 km/h) | 02h 24m |
| 60 mph (96.56 km/h) | 02h 00m |
| 70 mph (112.65 km/h) | 01h 42m |
| 80 mph (129 km/h) | 01h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $24.46 | $48.92 |
| Mid-grade | $6.07 | $25.72 | $51.44 |
| Premium | $6.24 | $26.47 | $52.94 |
| Diesel | $7.57 | $32.08 | $64.17 |
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 11, 2026