Distance from Rio Grande to San Marcos

The distance from Rio Grande to San Marcos is approximately 221 km / 138 mi (as the crow flies).

The following map shows the distance from Rio Grande to San Marcos.

For more detailed information about any of the places please click on the place name:
• Rio Grande
• San Marcos

Map options

Current distance: Rio Grande -> San Marcos
Show reverse: San Marcos -> Rio Grande

DistanceRouteRoute by bikeRoute by foot