Driving distance from Plano, TX to San Marcos, TX is 256 miles (412 km). How far is it from Plano, TX to San Marcos, TX? It's a 04 hours 04 minutes drive by car. Flight distance is approximately 229 miles (368 km) and flight time from Plano, TX to San Marcos, TX is 27 minutes. Don't forget to check out our "Gas cost calculator" option. It will calculate cost of driving this particular distance. See the map below for the visual display of the upcoming road trip.
To travel the distance from Plano, TX to San Marcos, TX, please, click on the map to see the route for the journey. "Gas Cost Calculator" tool is to your right. You can always modify it and make the number more applicable for your journey.
Choose a place to stay while traveling from Plano, TX to San Marcos, TX. We also offer Car Rental widget for your particular journey. There are lots of options to choose from. Give it a try.
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