Rockville
Rockville
San Diego
San Diego
Flight Driving

Rockville to San Diego

Updated: 28 May 2026

San Diego is reachable from Rockville via a 40-hour drive on I-40 W. Alternatively, fly from BWI to San Diego International (SAN) in about 6 hours. Known for its beautiful beaches, vibrant arts scene, and cultural institutions, San Diego is a unique city. The city is very car-dependent, so renting a vehicle is recommended.

Total Distance: Driving distance 4,000 km, straight-line air distance 3,500 km.
Fastest Way
Flight from BWI to SAN takes about 6 hours.
Cheapest Way
Flying is often more cost-effective than the fuel and hotel costs of a 4-day drive.
Compare Rockville to San Diego Routes
Flight
Connecting
Driving
Direct
Duration 6 hours 40 hours
Avg Price $300 - $600 $600 - $1000
Operator Southwest Airlines Personal Vehicle
Route BWI to SAN I-40 W
Tip Connecting flights are available and convenient. The drive is long; plan for multiple overnight stops.
Travel Tips
  • Transport
    San Diego is car-dependent; rent a vehicle at the airport.
  • Dining
    Try the local food scene, especially the famous fish tacos.
  • Sports
    Catch a Padres game if in season.
  • Events
    Check the schedule for local festivals in the summer.
  • Navigation
    Traffic can be heavy during rush hour; plan accordingly.
Safety Tips
  • Driving
    Be cautious of heavy traffic on major highways.
  • Personal Safety
    Stay in well-lit areas when visiting downtown at night.
  • Weather
    Be prepared for mild weather year-round.
  • Emergency
    Keep emergency contact numbers saved in your phone.
People Also Ask
  • Is San Diego walkable?
    Only the downtown area is walkable; the rest requires a car.
  • What is the best airport?
    San Diego International (SAN) is the only major airport.
  • Do I need a car?
    Yes, San Diego is a sprawling city.
  • Is the zoo good?
    The San Diego Zoo is world-famous.
  • How long is the drive?
    A drive from Rockville to San Diego is about 40 hours.
Quick Info
  • From Rockville, Maryland, United States
  • To San Diego, California, United States
  • Modes
Best Time to Travel

March to May or September to November for pleasant weather.

Things to Do in San Diego
1
Balboa Park
A beautiful park with many museums, gardens, and the famous zoo.
2
San Diego Zoo
A world-class zoo with an extensive collection of animals.
3
La Jolla Cove
A beautiful beach with stunning views and sea lions.
4
USS Midway Museum
A historic aircraft carrier museum in downtown San Diego.
Tags
Rockville to San Diego travel driving to San Diego flights from BWI to SAN I-40 road trip San Diego travel guide California travel Rockville travel San Diego tourism