How far is Foothill Ranch, CA from San Diego, CA?

The driving distance from Foothill Ranch, CA to San Diego, CA is about 85.2 miles (137.1 km), with a travel time of about 01h 33m by car.

  • The straight-line flight distance is about 72.9 miles (117.4 km).
  • For a round trip, plan for roughly 03h 07m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
85.2 mi
01h 33m
Flight
72.94 mi
117.39 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Foothill Ranch.

Flight Distance

Direct air line
72.94 mi
Kilometers
117.39 km
Flight Time
00h 08m

Driving Distance

Road route
85.2 mi
Kilometers
137.12 km
Drive Time
01h 33m

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 33m.

Arrival Snapshot
Arrive in San Diego
Sun, Apr 19, 4:16 AM PDT
Return by in Foothill Ranch
Sun, Apr 19, 5:49 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Foothill Ranch
2026-04-19T02:42
Arrive San Diego
Sun, Apr 19, 4:16 AM PDT
Route Timing
01h 33m
One way by road
Best Departure Window
8:00 AM to 10:00 AM PDT
Aim for a morning departure
Arrive between
9:34 AM to 11:34 AM PDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:22 PM PDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Foothill Ranch
9:30 PM PDT
Morning start is best

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.

Mid-route stop
Oceanside
CA

The second most populous city in San Diego County, California.

From Foothill Ranch
41.6 mi
00h 46m
To San Diego
43.6 mi
00h 46m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
Sunday

Patchy Fog then Mostly Sunny

Starts
Sun, Apr 19 6:00 AM PDT
Wind
0 to 10 mph S
Destination
74°F
Sunday

Mostly Sunny

Starts
Sun, Apr 19 6:00 AM PDT
Wind
0 to 10 mph NW

Driving Route Map

The map below follows the saved road route between Foothill Ranch and San Diego.

Turn-by-Turn Driving Directions

Step-by-step road directions between Foothill Ranch and San Diego.

  1. 1

    Start on Flores

    114 m · 22 sec · Flores

  2. 2

    Turn left onto Santa Maria

    632 ft · 35 sec · Santa Maria

  3. 3

    At the end of the road, turn left onto Alton Parkway

    3.1 mi · 5 min · Alton Parkway

  4. 4

    Turn left onto Irvine Boulevard

    1 km · 1 min · Irvine Boulevard

  5. 5

    Turn right onto Bake Parkway

    1.6 mi · 3 min · Bake Parkway

  6. 6

    Turn left onto Rockfield Boulevard

    1.1 km · 1 min · Rockfield Boulevard

  7. 7

    Turn right onto Lake Forest Drive

    1921 ft · 36 sec · Lake Forest Drive

  8. 8

    Take the ramp slight right toward I 5 South: San Diego

    1499 ft · 22 sec

  9. 9

    Merge slight left onto San Diego Freeway

    75.3 mi · 1 hr 28 min · San Diego Freeway

  10. 10

    Take the exit slight right toward Front Street, Civic Center, 2nd Avenue

    1164 ft · 28 sec

  11. 11

    Keep slight right to continue on Front Street, Civic Center

    592 ft · 15 sec

  12. 12

    Continue on Front Street

    2662 ft · 2 min · Front Street

  13. 13

    Arrive at your destination

    0 m · 1 sec · Front Street

Car Route Details

A richer read on the saved driving route between Foothill Ranch and San Diego.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
13 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
15.3 / 100 mi
Decision points by distance
Main Roads
San Diego Freeway
75.3 mi · 88%
Alton Parkway
3.11 mi · 4%
Bake Parkway
1.62 mi · 2%
Front Street
0.84 mi · 1%
Rockfield Boulevard
0.7 mi · 1%
Irvine Boulevard
0.65 mi · 1%
Longest Stretch

San Diego Freeway

Merge slight left onto San Diego Freeway

75.3 mi · 01h 28m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 33m
Day trip friendly
Same-Day Return
03h 08m
Round-trip wheel time
Road vs Air
+12.3 mi
72.9 mi direct line
Halfway Stop
Oceanside
00h 46m from Foothill Ranch
Leave By
3:22 PM PDT
Morning start is best
Weather Watch

Patchy Fog then Mostly Sunny leaving Foothill Ranch and Mostly Sunny near San Diego.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Foothill Ranch to San Diego?

The road trip is about 85.2 miles (137.1 km) and usually takes 01h 33m 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?

Oceanside is a useful midpoint, sitting about 41.6 miles from Foothill Ranch and 43.6 miles from San Diego.

How much longer is the road route than the straight-line distance?

The direct path is about 72.9 miles (117.4 km), while the road route adds roughly 12.3 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 3:22 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $17.36 one way or $34.73 round trip. Estimated CO2 is about 26.7 kg one way.

What should you check before leaving?

Before you leave, expect Patchy Fog then Mostly Sunny around Foothill Ranch and Mostly Sunny near San Diego.

Stop Ideas Near Oceanside

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Oceanside and the surrounding midpoint area.
Kate Stanton Inn Encinitas
Coffee break 13.4 mi away

Kate Stanton Inn Encinitas

Encinitas , CA
1904 Leucadia Scenic Ct, Encinitas, CA 92024, United States
Rating 4.7/5 24 reviews Bed & breakfast,Hotel
Omni La Costa Resort & Spa
Stay option 13.9 mi away

Omni La Costa Resort & Spa

Carlsbad , CA
2100 Costa Del Mar Rd, Carlsbad, CA 92009, United States
Rating 4.5/5 2,501 reviews Hotel,Resort hotel
Aviara Golf Club
Nearby stop 13.2 mi away

Aviara Golf Club

Carlsbad , CA
7447 Batiquitos Dr, Carlsbad, CA 92011, United States
Rating 4.7/5 476 reviews Golf club,Golf course
Grand Pacific Palisades Resort
Stay option 10.4 mi away

Grand Pacific Palisades Resort

Carlsbad , CA
5805 Armada Dr, Carlsbad, CA 92008, United States
Rating 4.4/5 2,160 reviews Resort hotel,Hotel

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Oceanside.

RAIL

Oceanside Transit Center

235 South Tremont Street
RAIL

Carlsbad Village station

5 mi away
2775 State Street
RAIL

Carlsbad Poinsettia, CA

11 mi away
6511 Avenida Encinas
RAIL

Encinitas, CA

18 mi away
25 East D Street

Flight Path Map

This map shows the direct air route between Foothill Ranch and San Diego. Straight-line distance: 72.94 mi (117.39 km).

Photo coming soon

#1 Foothill Ranch

City in California, United States of America

Population11,698
Coordinates33.6864100, -117.6608800
Altitude270
CountryUnited States
San Diego

#2 San Diego

The eighth most populous city in the United States and the center of the San Diego metropolitan area.

Population1,422,420
Coordinates32.7157100, -117.1647200
Altitude20
CountryUnited States
Start: Flores (-117.660153, 33.686773)
End: Front Street (-117.164717, 32.71571)

Estimated Travel Time

Distance: 137 km by road

SpeedTime
30 mph (48.3 km/h)02h 50m
40 mph (64.37 km/h)02h 07m
50 mph (80.47 km/h)01h 42m
60 mph (96.56 km/h)01h 25m
70 mph (112.65 km/h)01h 13m
80 mph (129 km/h)01h 03m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.01 gal
11.38 L · about $17.36
Round trip
$34.73
6.02 gal · 22.76 L
Estimated CO2
26.7 kg one way
Round trip: 53.5 kg / 118 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $17.36 $34.73
Mid-grade $6.07 $18.26 $36.52
Premium $6.24 $18.79 $37.58
Diesel $7.57 $22.78 $45.55

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

There is no time difference between Foothill Ranch and San Diego. The current time is 02:42:38.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.