Killeen to San Juan: Road Trip Guide & Distance

How far is Killeen from San Juan?

The distance from Killeen to San Juan is 341.4 miles (549.5 km) as the crow flies. San Juan is located S of Killeen. By car, the driving distance is approximately 409.7 miles, taking about 8h 15min. A direct flight would take roughly 1h 11min. 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. As you head South, expect warmer temperatures. Make sure your car's AC is working well before embarking on this journey.

Coordinates come from public place data for Killeen 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.