Distance from Boerne, TX to San Marcos, TX is 68Miles or 110 Km. You can get this distance about 1 hour 11 mins. If you want to planning travel with plane for 48 Miles or 77 Km, You can get this distance about 36 mins .
A car with an average MPG will needs 3.15 gallons of gas to get the route between these points.
The estimated cost of gas to get between Boerne, TX and San Marcos, TX is $7.15.
During the route, an average car will release 61.71 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.