Shortest distance between San Marcos and Grand Prairie is 205.48 miles (330.69 km).
Flight distance from San Marcos, TX to Grand Prairie, TX is 205.48 miles. Estimated flight time is 00 hours 29 minutes.
It takes 00 hours 26 minutes to travel from San Marcos to Grand Prairie with an airplane (average speed of 550 miles).
The driving distance from San Marcos, Texas to Grand Prairie, Texas is: 241.9 miles (389.3 km) by car.
Driving from San Marcos to Grand Prairie will take approximately 03 hours 48 minutes.
The distance between San Marcos and Grand Prairie is 389 km if you choose to drive by road. You can go 04 hours 19 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
There is no time difference between San Marcos and Grand Prairie. The current time is 10:29:03.
|Average Speed||Travel Time|
|30 mph (48.3 km/h)||08 hours 03 minutes|
|40 mph (64.37 km/h)||06 hours 02 minutes|
|50 mph (80.47 km/h)||04 hours 50 minutes|
|60 mph (96.56 km/h)||04 hours 01 minutes|
|70 mph (112.65 km/h)||03 hours 27 minutes|
|75 mph (120.7 km/h)||03 hours 13 minutes|
|80 mph (128.75 km/h)||03 hours 01 minutes|
A car with a fuel efficiency of 8.3 l/100 km will need 32.31 liters (8.54 gallon) of gas to cover the route between San Marcos and Grand Prairie.
The estimated cost of gas to go from San Marcos to Grand Prairie is $28.52 (diesel $31.36).
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price per gallon of daily gas for calculations is $3.341 (Diesel $3.674) /gallon. Last changed prices on December 08, 2021.
The place names are translated into coordinates to approximate the distance between San Marcos and Grand Prairie (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.