| Sulphur to Cloverleaf (Texas) | 112.82 mi (181.57 km) |
| Sulphur to Cloverly (Maryland) | 1,110.92 mi (1,787.85 km) |
| Sulphur to Clovis (California) | 1,577.57 mi (2,538.86 km) |
| Sulphur to Clovis (New Mexico) | 643.22 mi (1,035.17 km) |
| Sulphur to Clute (Texas) | 148.10 mi (238.34 km) |
| Sulphur to Coachella (California) | 1,354.10 mi (2,179.22 km) |
| Sulphur to Coalinga (California) | 1,606.25 mi (2,585.02 km) |
| Sulphur to Coamo (Puerto Rico) | 1,890.58 mi (3,042.60 km) |
| Sulphur to Coatesville (Pennsylvania) | 1,195.20 mi (1,923.49 km) |
| Sulphur to Cockeysville (Maryland) | 1,140.70 mi (1,835.78 km) |
| Sulphur to Cocoa (Florida) | 768.74 mi (1,237.16 km) |
| Sulphur to Cocoa Beach (Florida) | 777.80 mi (1,251.74 km) |
| Sulphur to Coconut Creek (Florida) | 846.17 mi (1,361.79 km) |
| Sulphur to Coeur d'Alene (Idaho) | 1,731.38 mi (2,786.39 km) |
| Sulphur to Cohoes (New York) | 1,387.60 mi (2,233.13 km) |
