Distance from San Antonio to Boulder by Car and Plane

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3. Distance Between San Antonio and Boulder

The flight distance from San Antonio (TX) to Boulder (CO) is 823 miles or 1324 kilometers or 715 nautical miles.
Driving distance from San Antonio to Boulder is 953 miles (1534 kilometers).
Difference between fly and travel by a car is 130 miles or 210 km.

San Antonio to Boulder Flight Route Map

Map Showing the Distance Between San Antonio, TX and Boulder, CO
This map shows the distance from San Antonio, TX, Usa to Boulder, CO, Usa. You can also see the distance in miles and km below the map. Flight route map from San Antonio, Texas to Boulder, Colorado is displayed below.

Driving distance from San Antonio, TX to Boulder, CO

The driving distance from San Antonio, Texas to Boulder, Colorado is 953 miles or 1534 km.
The total driving distance from San Antonio, TX to Boulder, CO is 953 miles or 1534 kilometers. Your trip begins in San Antonio, Texas. It ends in Boulder, Colorado.
The driving distance from San Antonio, Texas to Boulder, Colorado is approximately 953 miles (1534 kilometers), depending on the specific route you take. Without considering any traffic or other delays, driving this distance typically takes around 17 to 18 hours under normal conditions.

Driving time from San Antonio, TX to Boulder, CO

How long is the drive from San Antonio, TX to Boulder, CO?
The total driving time is 17 hours, 1 minutes.
How long does a car ride from San Antonio to Boulder take?
San Antonio and Boulder are 17 hours 1 mins far apart, if you drive non-stop.

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Attention! According to the recommendations of experts, you should stop and take a break every 2 hours on average, take a fresh air and walk a little to protect your alertness and health during long trips by car. In addition, you can drink some coffee to prevent you from sleeping. People who drive constantly without taking a break lose their focus and can eventually cause accidents. Also, please drive carefully and follow the speed rules.

Time Difference between San Antonio and Boulder

Time difference between San Antonio (TX) and Boulder (CO) is 0 Hours.

Current local time in San Antonio	Current local time in Boulder
2025-12-21, 21:31:12 MST	2025-12-21, 21:31:12 MST

How Far is it Between San Antonio Texas, USA and Boulder Colorado, USA?

You can compare air and road distance between San Antonio, TX and Boulder, CO in this summary table of distances in miles, kilometers and nautical miles.

Distance type	Miles	Kilometers	Nautical miles
Driving distance	953 mi	1534 km	827.59 nmi
Straight line distance	823 mi	1324 km	715 nmi
Difference	130 mi	210 km	112 nmi

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