What is the best route?

I-70 to I-15 is the most direct route.

Yes, it is a standard interstate route.

Gettysburg

San Diego

Driving

Gettysburg to San Diego

Updated: 28 May 2026

The drive from Gettysburg to San Diego is a long 2800-mile journey. You will typically take I-70 West to I-15 South. The trip takes approximately 42 hours. This route is a major cross-country path.

Total Distance: 4500 km driving, 3900 km air distance.

Fastest Way

Driving is the fastest method as there are no direct flights.

Cheapest Way

Driving is the most economical and practical way to reach San Diego.

Compare Gettysburg to San Diego Routes

Driving

Direct

Duration

42 hours

Avg Price

$550-$650 in fuel and tolls

Operator

Personal Vehicle

Route

US-15 N to I-70 W to I-15 S.

Expect heavy traffic near Los Angeles.

Travel Tips

Traffic
Avoid the Los Angeles beltway during rush hour.
Rest Stops
Stop in Los Angeles for a break.
Navigation
Use GPS to navigate the city's highways.
Fuel
Gas prices are often lower in California than in Pennsylvania.
Parking
Downtown San Diego has many parking garages; check rates online.

Safety Tips

Construction
Watch for lane shifts on I-15 through California.
Visibility
Be cautious of sun glare during early morning or late afternoon.
Vehicle Prep
Check your tires before the long drive.
Emergency
Keep a roadside assistance contact number handy.