Distance Calculator

Distance from San Marcos to San Antonio

Distance between San Marcos and San Antonio is 74 kilometers (46 miles).
Driving distance from San Marcos to San Antonio is 80 kilometers (50 miles).

air 74 km
air 46 miles
car 80 km
car 50 miles

Distance Map Between San Marcos and San Antonio

San Marcos, Austin, United StatesSan Antonio, Austin, United States = 46 miles = 74 km.

How far is it between San Marcos and San Antonio

San Marcos is located in United States with (29.8833,-97.9414) coordinates and San Antonio is located in United States with (29.4241,-98.4936) coordinates. The calculated flying distance from San Marcos to San Antonio is equal to 46 miles which is equal to 74 km.

If you want to go by car, the driving distance between San Marcos and San Antonio is 80.16 km. If you ride your car with an average speed of 112 kilometers/hour (70 miles/h), travel time will be 00 hours 42 minutes. Please check the avg. speed travel time table on the right for various options.
Difference between fly and go by a car is 6 km.

City/PlaceLatitude and LongitudeGPS Coordinates
San Marcos 29.8833, -97.9414 29° 52´ 59.7720'' N
97° 56´ 29.0040'' W
San Antonio 29.4241, -98.4936 29° 25´ 26.8320'' N
98° 29´ 37.0680'' W

Estimated Travel Time Between San Marcos and San Antonio

Average SpeedTravel Time
30 mph (48 km/h) 01 hours 40 minutes
40 mph (64 km/h) 01 hours 15 minutes
50 mph (80 km/h) 01 hours 00 minutes
60 mph (97 km/h) 00 hours 49 minutes
70 mph (112 km/h) 00 hours 42 minutes
75 mph (120 km/h) 00 hours 40 minutes
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