Boise to San Antonio: Road Trip Guide & Distance

1382.9 miles 2225.6 km · straight line
1636.4 miles actual route 2633.5 km · driving distance
29h 48min estimated drive time
$157 - $194 estimated fuel cost
~3h 17min flight time
129° SE bearing direction

How far is Boise from San Antonio?

The distance from Boise to San Antonio is 1382.9 miles (2225.6 km) as the crow flies. San Antonio is located SE of Boise. By car, the driving distance is approximately 1636.4 miles, taking about 29h 48min. A direct flight would take roughly 3h 17min. Both are located in United States — Boise in Idaho and San Antonio in Texas.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for Boise and San Antonio. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Boise to San Antonio

Method Time Est. Cost Best For
Drive 29h 48min $157 - $194 Flexible stops
Fly ~3h 17min $80–200* Speed
Bus ~35h 46min $131–$245* Budget
Train ~38h 44min $196–$573* Comfort

Suggested Stops Between Boise & San Antonio

Quick Facts

Boise
43.62°N, 116.20°W
America/Boise
824m elevation
San Antonio
29.42°N, 98.49°W
America/Chicago
198m elevation
Explore more routes from San Antonio

Did You Know?

  • At walking speed (3 mph), it would take about 461 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 115 hours
  • You could travel this distance about 18 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM