How far is San Marcos from San Antonio?

Distance by Flight

Shortest distance between San Marcos and San Antonio is 45.89 miles (73.85 km).

Flight distance from San Marcos, TX to San Antonio, TX is 45.89 miles. Estimated flight time is 00 hours 06 minutes.

Driving distance

The driving distance from San Marcos, Texas to San Antonio, Texas is: 49.87 miles (80.25 km) by car.

Driving from San Marcos to San Antonio will take approximately 00 hours 52 minutes.

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#1 San Marcos

City in Texas, United States

Population 66350
GPS Coordinates 29°52'60"N 97°56'29"W
Latitude 29.8832700
Longitude -97.9413900
Altitude 188
Country United States
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#2 San Antonio

Second-most populous city in Texas, United States of America

Population 1567118
GPS Coordinates 29°25'27"N 98°29'37"W
Latitude 29.4241200
Longitude -98.4936300
Altitude 198
Country United States

Estimated Travel Time Between San Marcos and San Antonio

The distance between San Marcos and San Antonio is 80 km if you choose to drive by road. You can go 00 hours 53 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.

There is no time difference between San Marcos and San Antonio. The current time is 09:13:07.

Average Speed Travel Time
30 mph (48.3 km/h) 01 hours 39 minutes
40 mph (64.37 km/h) 01 hours 14 minutes
50 mph (80.47 km/h) 00 hours 59 minutes
60 mph (96.56 km/h) 00 hours 49 minutes
70 mph (112.65 km/h) 00 hours 42 minutes
75 mph (120.7 km/h) 00 hours 39 minutes
80 mph (128.75 km/h) 00 hours 37 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 6.66 liters (1.76 gallon) of gas to cover the route between San Marcos and San Antonio.
The estimated cost of gas to go from San Marcos to San Antonio is $5.95 (diesel $6.55).

Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.

The average gas price per gallon of daily gas for calculations is $3.38 (Diesel $3.72) /gallon. Last changed prices on December 06, 2021.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between San Marcos and San Antonio (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.

Distance to Other Cities

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Driving distance from Arlington, TX to San Marcos 242.32 miles (390 km)

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Driving distance from Austin, TX to San Marcos 32.11 miles (52 km)

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Driving distance from Corpus Christi, TX to San Marcos 187.48 miles (302 km)

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Driving distance from Dallas, TX to San Marcos 238.51 miles (384 km)

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Driving distance from Fort Worth, TX to San Marcos 229.57 miles (369 km)

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Driving distance from Frisco, TX to San Marcos 264.36 miles (425 km)

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Driving distance from Garland, TX to San Marcos 389.15 miles (626 km)

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Driving distance from Garland, TX to San Marcos 256.43 miles (413 km)

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Driving distance from Grand Prairie, TX to San Marcos 241.9 miles (389 km)

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Driving distance from Houston, TX to San Marcos 165.16 miles (266 km)

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Driving distance from Irving, TX to San Marcos 246.96 miles (397 km)

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Driving distance from Laredo, TX to San Marcos 205.5 miles (331 km)

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