Distance Between San Antonio, TX and San Marcos, TX
How many miles?50 Miles or 80 Km
How much does it take?55 mins
Distance, Gas Consumption and Emission Notes
Distance from San Antonio, TX to San Marcos, TX is 50Miles or 80 Km. You can get this distance about 55 mins. If you want to planning travel with plane for 46 Miles or 74 Km, You can get this distance about 35 mins .
A car with an average MPG will needs 2.31 gallons of gas to get the route between these points.
The estimated cost of gas to get between San Antonio, TX and San Marcos, TX is $5.24.
During the route, an average car will release 45.26 pounds of CO2 to the atmosphere. Your carbon footprint is 0.91 pounds of CO2 per mile.
* Average US MPG used for calculations is 21.6 MPG.
* Average US gas price used for calculation is 2.27 per gallon.