| San Marcos to Cedar Park (Texas) | 1,148.93 mi (1,849.02 km) |
| San Marcos to Cedar Rapids (Iowa) | 1,516.60 mi (2,440.73 km) |
| San Marcos to Cedarburg (Wisconsin) | 1,721.44 mi (2,770.39 km) |
| San Marcos to Celebration (Florida) | 2,131.67 mi (3,430.59 km) |
| San Marcos to Celina (Ohio) | 1,862.79 mi (2,997.87 km) |
| San Marcos to Celina (Texas) | 1,176.12 mi (1,892.79 km) |
| San Marcos to Centennial (Colorado) | 816.09 mi (1,313.38 km) |
| San Marcos to Center Point (Alabama) | 1,752.83 mi (2,820.90 km) |
| San Marcos to Centereach (New York) | 2,464.01 mi (3,965.43 km) |
| San Marcos to Centerton (Arkansas) | 1,314.54 mi (2,115.55 km) |
| San Marcos to Centerville (Ohio) | 1,879.89 mi (3,025.39 km) |
| San Marcos to Centerville (Utah) | 612.12 mi (985.12 km) |
| San Marcos to Central (Louisiana) | 1,540.33 mi (2,478.92 km) |
| San Marcos to Central Falls (Rhode Island) | 2,549.32 mi (4,102.74 km) |
| San Marcos to Central Islip (New York) | 2,458.33 mi (3,956.31 km) |
