Distance from San Antonio, TX to Carlsbad, NM is 451Miles or 726 Km. You can get this distance about 6 hours 40 mins. If you want to planning travel with plane for 399 Miles or 642 Km, You can get this distance about 1 hours 21 mins .
A car with an average MPG will needs 20.88 gallons of gas to get the route between these points.
The estimated cost of gas to get between San Antonio, TX and Carlsbad, NM is $47.4.
During the route, an average car will release 409.08 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.