How long is the drive?

The drive takes about 39 hours.

Amtrak serves San Diego, but there is no direct train from Brunswick.

Yes, there are several toll roads on the route to San Diego.

What is the best time to leave?

Leaving very early in the morning helps avoid traffic in major cities.

Yes, the route is well-traveled and safe.

Brunswick

San Diego

Driving

Brunswick to San Diego

Updated: 30 May 2026

The drive from Brunswick to San Diego covers approximately 3,900 kilometers. You will travel west on I-10 to reach San Diego. This journey typically takes 39 hours, depending on traffic in major cities along the way. The route takes you through the heart of the country. It is a major artery for travelers heading to America's Finest City.

Total Distance: 3,900 km driving distance; 3,500 km straight-line air distance.

Fastest Way

Driving via I-10 is the fastest and most direct route.

Cheapest Way

Driving is the most cost-effective way to reach San Diego.

Compare Brunswick to San Diego Routes

Driving

Direct

Duration

39 hours

Avg Price

$520-$570 in fuel

Operator

Personal Vehicle

Route

I-10 W

Plan for multiple stops to stretch your legs during this long drive.

Travel Tips

Traffic
San Diego traffic can be very heavy; plan your travel accordingly.
Parking
Use public transportation or ride-sharing services to get around the city.
Weather
Be prepared for hot summers and mild winters.
Dining
Try some of the diverse cuisine available in the city.
Navigation
Use a GPS to navigate the complex highway system around the city.