Distance Calculator

Distance from San Marcos to Port Arthur

Distance between San Marcos and Port Arthur is 387 kilometers (240 miles).
Driving distance from San Marcos to Port Arthur is 409 kilometers (254 miles).

air 387 km
air 240 miles
car 409 km
car 254 miles

Distance Map Between San Marcos and Port Arthur

San Marcos, Austin, United StatesPort Arthur, Austin, United States = 240 miles = 387 km.

How far is it between San Marcos and Port Arthur

San Marcos is located in United States with (29.8833,-97.9414) coordinates and Port Arthur is located in United States with (29.8988,-93.9288) coordinates. The calculated flying distance from San Marcos to Port Arthur is equal to 240 miles which is equal to 387 km.

If you want to go by car, the driving distance between San Marcos and Port Arthur is 409.11 km. If you ride your car with an average speed of 112 kilometers/hour (70 miles/h), travel time will be 03 hours 39 minutes. Please check the avg. speed travel time table on the right for various options.
Difference between fly and go by a car is 22 km.

City/PlaceLatitude and LongitudeGPS Coordinates
San Marcos 29.8833, -97.9414 29° 52´ 59.7720'' N
97° 56´ 29.0040'' W
Port Arthur 29.8988, -93.9288 29° 53´ 55.7880'' N
93° 55´ 43.6080'' W

Estimated Travel Time Between San Marcos and Port Arthur

Average SpeedTravel Time
30 mph (48 km/h) 08 hours 31 minutes
40 mph (64 km/h) 06 hours 23 minutes
50 mph (80 km/h) 05 hours 06 minutes
60 mph (97 km/h) 04 hours 13 minutes
70 mph (112 km/h) 03 hours 39 minutes
75 mph (120 km/h) 03 hours 24 minutes
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