Distance from Houston, TX to Harlingen, TX is 329Miles or 529 Km. You can get this distance about 4 hours 56 mins. If you want to planning travel with plane for 285 Miles or 459 Km, You can get this distance about 1 hours 6 mins .
A car with an average MPG will needs 15.23 gallons of gas to get the route between these points.
The estimated cost of gas to get between Houston, TX and Harlingen, TX is $34.57.
During the route, an average car will release 298.39 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.