Traveling from Falls Church to San Diego covers approximately 4,500 kilometers across the United States. The most efficient route is flying from Washington Dulles International Airport (IAD) to San Diego International Airport (SAN). Alternatively, a cross-country drive via I-70 and I-15 takes roughly 42 hours of pure driving time. You will traverse diverse landscapes including the Appalachian Mountains, the Great Plains, and the Mojave Desert. Amtrak offers a scenic rail alternative, though it requires multiple transfers through Chicago or Los Angeles. Planning your transit in advance is essential for managing the significant time zone differences.
Total Distance: Driving distance 4,550 km; straight-line air distance 3,650 km.
|
Connecting
|
Direct
|
|
|---|---|---|
| Duration | 8 hours 30 mins | 45 hours |
| Avg Price | $350 - $700 | $600 - $900 |
| Operator | United Airlines | Personal Vehicle |
| Route | IAD to SAN via hubs like Denver or Houston. | I-66 W to I-70 W to I-15 S. |
| Tip | Book at least 21 days in advance to secure lower fares on major carriers. | Ensure your vehicle is serviced for high-altitude mountain passes in Colorado. |
March to May or September to November for mild coastal weather and lower flight prices.