| San Marcos to Richland (Washington) | 915.26 mi (1,472.97 km) |
| San Marcos to Richmond (California) | 441.29 mi (710.19 km) |
| San Marcos to Richmond (Indiana) | 1,841.28 mi (2,963.25 km) |
| San Marcos to Richmond (Kentucky) | 1,868.35 mi (3,006.82 km) |
| San Marcos to Richmond (Texas) | 1,284.90 mi (2,067.84 km) |
| San Marcos to Richmond (Virginia) | 2,241.54 mi (3,607.41 km) |
| San Marcos to Richmond Heights (Florida) | 2,263.19 mi (3,642.25 km) |
| San Marcos to Richmond Heights (Ohio) | 2,027.85 mi (3,263.51 km) |
| San Marcos to Richmond Hill (Georgia) | 2,080.88 mi (3,348.85 km) |
| San Marcos to Richmond West (Florida) | 2,260.49 mi (3,637.91 km) |
| San Marcos to Richton Park (Illinois) | 1,707.41 mi (2,747.80 km) |
| San Marcos to Ridge (New York) | 2,474.38 mi (3,982.13 km) |
| San Marcos to Ridgecrest (California) | 174.67 mi (281.11 km) |
| San Marcos to Ridgefield (New Jersey) | 2,415.36 mi (3,887.15 km) |
| San Marcos to Ridgefield (Washington) | 923.60 mi (1,486.38 km) |
