How far is San Diego, CA from Rossmoor, CA?
The driving distance from San Diego, CA to Rossmoor, CA is about 100.1 miles (161.1 km), with a travel time of about 02h 00m by car.
- The straight-line flight distance is about 91 miles (146.5 km).
- For a round trip, plan for roughly 04h 00m 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 00m.
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 most populous city in Orange County, California.
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 San Diego and Rossmoor.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Diego and Rossmoor.
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1
Start on Front Street
8 m · 6 sec · Front Street
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2
Turn left onto West Broadway
88 m · 12 sec · West Broadway
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3
Turn left onto 1st Avenue
3072 ft · 1 min · 1st Avenue
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4
Take the ramp left toward I 5 North: Los Angeles
1017 ft · 25 sec
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5
Merge slight left onto San Diego Freeway
13.5 mi · 16 min · San Diego Freeway
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6
Keep slight left to continue on San Diego Freeway
36.3 mi · 43 min · San Diego Freeway
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7
Keep slight right to continue on San Diego Freeway
18.1 mi · 21 min · San Diego Freeway
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8
Keep slight right to continue on San Joaquin Hills Transportation Corridor
14.1 mi · 16 min · San Joaquin Hills Transportation Corridor
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9
Continue on Corona Del Mar Freeway
4 mi · 5 min · Corona Del Mar Freeway
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10
Merge slight left onto San Diego Freeway
9.6 mi · 11 min · San Diego Freeway
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11
Keep slight left
2.1 mi · 2 min
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12
Take the exit slight right toward Seal Beach Boulevard, Los Alamitos Boulevard
1374 ft · 38 sec
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13
Turn right onto Seal Beach Boulevard
1741 ft · 46 sec · Seal Beach Boulevard
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14
Turn left onto Saint Cloud Drive
1237 ft · 30 sec · Saint Cloud Drive
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15
Continue on Montecito Road
1504 ft · 46 sec · Montecito Road
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16
Turn left onto Mainway Drive
2547 ft · 2 min · Mainway Drive
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17
Turn right onto Foster Road
94 m · 16 sec · Foster Road
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18
Turn left onto Kempton Drive
38 m · 6 sec · Kempton Drive
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19
Arrive at your destination
0 m · 1 sec · Kempton Drive
Car Route Details
A richer read on the saved driving route between San Diego and Rossmoor.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
San Diego Freeway
Keep slight left to continue on San Diego Freeway
36.3 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 San Diego and Mostly Sunny near Rossmoor.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Diego to Rossmoor?
The road trip is about 100.1 miles (161.1 km) and usually takes 02h 00m 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?
San Clemente is a useful midpoint, sitting about 50.1 miles from San Diego and 50 miles from Rossmoor.
How much longer is the road route than the straight-line distance?
The direct path is about 91 miles (146.5 km), while the road route adds roughly 9.1 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 2:30 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.36 one way or $40.73 round trip. Estimated CO2 is about 31.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around San Diego and Mostly Sunny near Rossmoor.
Stop Ideas Near San Clemente
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Blue Lantern Inn, A Four Sisters Inn
Laguna Cliffs Marriott Resort & Spa
CITY HALL, City of San Juan Capistrano
Doheny State Beach Campground
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to San Clemente.
San Clemente Pier station
San Juan Capistrano
Irvine Transportation Center
Oceanside Transit Center
Flight Path Map
This map shows the direct air route between San Diego and Rossmoor. Straight-line distance: 91.06 mi (146.55 km).
#1 San Diego
The eighth most populous city in the United States and the center of the San Diego metropolitan area.
| Population | 1,422,420 |
| Coordinates | 32.7157100, -117.1647200 |
| Altitude | 20 |
| Country | United States |
#2 Rossmoor
Census-designated place in Orange County, California, United States
| Population | 10,244 |
| Coordinates | 33.7855700, -118.0850600 |
| Altitude | 4 |
| Country | United States |
End: Rossmoor (-118.08506, 33.78557)
Estimated Travel Time
Distance: 161 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 20m |
| 40 mph (64.37 km/h) | 02h 30m |
| 50 mph (80.47 km/h) | 02h 00m |
| 60 mph (96.56 km/h) | 01h 40m |
| 70 mph (112.65 km/h) | 01h 25m |
| 80 mph (129 km/h) | 01h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $20.36 | $40.73 |
| Mid-grade | $6.07 | $21.41 | $42.83 |
| Premium | $6.24 | $22.04 | $44.08 |
| Diesel | $7.57 | $26.71 | $53.42 |
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.