Galveston to San Juan: Road Trip Guide & Distance

How far is Galveston from San Juan?

The distance from Galveston to San Juan is 297.3 miles (478.4 km) as the crow flies. San Juan is located SW of Galveston. By car, the driving distance is approximately 371.6 miles, taking about 7h 29min. A direct flight would take roughly 1h 6min. Both are located in United States.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare.

Coordinates come from public place data for Galveston and San Juan. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.