Flight
Driving
Annapolis to San Diego
Updated: 28 May 2026
Traveling from Annapolis to San Diego covers approximately 4,500 kilometers across the United States. The most efficient route involves driving to Baltimore/Washington International Thurgood Marshall Airport (BWI) for a direct or connecting flight. Driving requires navigating I-70 West and I-40 West, spanning roughly 42 hours of pure road time. You will cross diverse landscapes including the Appalachian Mountains, the Great Plains, and the Mojave Desert. This journey connects the historic Chesapeake Bay to the Pacific Coast.
Total Distance: Driving distance 4,500 km, straight-line air distance 3,650 km.
Fastest Way
Flight from BWI to SAN, taking approximately 6.5 hours total travel time.
Cheapest Way
Flight from BWI, typically costing $350 round trip if booked early.
Compare Annapolis to San Diego Routes
|
Connecting
|
Direct
|
|
|---|---|---|
| Duration | 6 hours 30 mins | 42 hours |
| Avg Price | $350 - $700 | $600 - $900 in fuel |
| Operator | Southwest Airlines | Personal Vehicle |
| Route | BWI to SAN via hubs like Denver or Phoenix. | I-70 W to I-40 W through St. Louis and Albuquerque. |
| Tip | Book at least 21 days in advance to secure lower fares. | Ensure your vehicle is serviced for high-altitude mountain passes. |
Travel Tips
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Airport ChoiceUse BWI instead of DCA for better parking rates and easier access from Annapolis.
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Time ZonesPrepare for a 3-hour time difference when traveling west.
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HydrationDrink plenty of water during the flight to combat cabin dryness.
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LuggageCheck airline weight limits to avoid excess baggage fees.
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NavigationDownload offline maps for the drive through remote desert stretches.
Safety Tips
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Road SafetyAvoid driving through the Rockies during winter storms.
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HealthCarry a basic first-aid kit for long-distance road trips.
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SecurityKeep valuables out of sight when parked in urban areas.
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EmergencySave local emergency numbers for states you are traversing.
People Also Ask
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Is it cheaper to fly or drive?Flying is generally cheaper when accounting for fuel, hotels, and food for a 3-day drive.
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What is the best route to drive?I-70 to I-40 is the most direct and well-serviced route.
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Do I need a rental car in San Diego?Yes, San Diego is a sprawling city where a car is highly recommended.
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Are there direct flights?Direct flights from BWI to SAN are rare; most require a layover.
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What is the baggage policy?Most major carriers allow one carry-on and one personal item for free.
Quick Info
- From Annapolis, Maryland, United States
- To San Diego, California, United States
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Modes
Best Time to Travel
Spring and Fall offer mild weather across the entire cross-country route.
Things to Do in San Diego
1
Balboa Park
Explore 1,200 acres of gardens, museums, and the world-famous San Diego Zoo. It is a cultural hub located in the heart of the city.
2
USS Midway Museum
Tour this historic aircraft carrier docked at Navy Pier. It offers an immersive look at naval aviation history.
3
La Jolla Cove
Visit this protected marine reserve to see sea lions and enjoy snorkeling. The coastal views are among the best in Southern California.
4
Gaslamp Quarter
Experience the vibrant nightlife and Victorian-era architecture in this downtown district. It features numerous restaurants and entertainment venues.
Tags
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BWI to SAN travel
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