How far is Rossmoor, CA from San Bernardino, CA?
The driving distance from Rossmoor, CA to San Bernardino, CA is about 62.7 miles (100.9 km), with a travel time of about 01h 13m by car.
- The straight-line flight distance is about 50.8 miles (81.7 km).
- For a round trip, plan for roughly 02h 26m 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 01h 13m.
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.
The second most populous city in Riverside County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Rossmoor and San Bernardino.
Turn-by-Turn Driving Directions
Step-by-step road directions between Rossmoor and San Bernardino.
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1
Start on Kempton Drive
38 m · 8 sec · Kempton Drive
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2
Turn right onto Foster Road
94 m · 18 sec · Foster Road
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3
Turn left onto Mainway Drive
2547 ft · 2 min · Mainway Drive
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4
Turn right onto Montecito Road
1504 ft · 39 sec · Montecito Road
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5
Continue on Saint Cloud Drive
1200 ft · 33 sec · Saint Cloud Drive
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6
Turn right onto Seal Beach Boulevard
1.1 km · 1 min · Seal Beach Boulevard
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7
Take the ramp left toward CA 22 East, I 405 South: San Diego, Garden Grove
2087 ft · 53 sec
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8
Merge slight left onto San Diego Freeway
1.3 mi · 2 min · San Diego Freeway
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9
Keep slight right to continue on Garden Grove Freeway
12.6 mi · 15 min · Garden Grove Freeway
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10
Continue on Garden Grove Freeway
1 km · 43 sec · Garden Grove Freeway
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11
Merge slight left onto Costa Mesa Freeway
4.8 mi · 5 min · Costa Mesa Freeway
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12
Merge slight left onto Riverside Freeway
36.9 mi · 43 min · Riverside Freeway
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13
Continue on San Bernardino Freeway
3.3 mi · 4 min · San Bernardino Freeway
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14
Take the exit slight right toward 5th Street, Civic Center
1510 ft · 42 sec
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15
Turn right onto West 5th Street
1.1 km · 1 min · West 5th Street
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16
Arrive at your destination
0 m · 1 sec · West 5th Street
Car Route Details
A richer read on the saved driving route between Rossmoor and San Bernardino.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Riverside Freeway
Merge slight left onto Riverside Freeway
36.9 mi · 00h 43m
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 Rossmoor and Sunny near San Bernardino.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Rossmoor to San Bernardino?
The road trip is about 62.7 miles (100.9 km) and usually takes 01h 13m 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?
Corona is a useful midpoint, sitting about 31.3 miles from Rossmoor and 31.4 miles from San Bernardino.
How much longer is the road route than the straight-line distance?
The direct path is about 50.8 miles (81.7 km), while the road route adds roughly 11.9 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 4:04 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.75 one way or $25.50 round trip. Estimated CO2 is about 19.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Rossmoor and Sunny near San Bernardino.
Stop Ideas Near Corona
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Ayres Hotel Anaheim
City of Lake Forest
Chino City Hall
Anaheim Downtown Community Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Corona.
Riverside–Downtown
Ontario
Moreno Valley, California
Pomona station
Flight Path Map
This map shows the direct air route between Rossmoor and San Bernardino. Straight-line distance: 50.75 mi (81.67 km).
#1 Rossmoor
Census-designated place in Orange County, California, United States
| Population | 10,244 |
| Coordinates | 33.7855700, -118.0850600 |
| Altitude | 4 |
| Country | United States |
#2 San Bernardino
The second most populous city in San Bernardino County, California.
| Population | 217,491 |
| Coordinates | 34.1083400, -117.2897700 |
| Altitude | 321 |
| Country | United States |
End: West 5th Street (-117.289794, 34.108326)
Estimated Travel Time
Distance: 101 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 05m |
| 40 mph (64.37 km/h) | 01h 34m |
| 50 mph (80.47 km/h) | 01h 15m |
| 60 mph (96.56 km/h) | 01h 02m |
| 70 mph (112.65 km/h) | 00h 53m |
| 80 mph (129 km/h) | 00h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $12.75 | $25.50 |
| Mid-grade | $6.07 | $13.41 | $26.81 |
| Premium | $6.24 | $13.80 | $27.59 |
| Diesel | $7.57 | $16.72 | $33.45 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.