Distance from Harlingen, TX to San Antonio, TX is 252Miles or 406 Km. You can get this distance about 3 hours 39 mins. If you want to planning travel with plane, you can get this distance about 59 mins .
A car with an average MPG will needs 11.67 gallons of gas to get the route between these points.
The estimated cost of gas to get between Harlingen, TX and San Antonio, TX is $26.49.
During the route, an average car will release 228.64 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.
* Coordinates of Harlingen, TX is 26.1906322, -97.6960997 and coordinates of San Antonio, TX is 29.4241576, -98.4936411