| Sulphur to Crawfordsville (Indiana) | 769.51 mi (1,238.41 km) |
| Sulphur to Crest Hill (Illinois) | 836.48 mi (1,346.19 km) |
| Sulphur to Crestview (Florida) | 405.10 mi (651.94 km) |
| Sulphur to Crestwood (Illinois) | 848.59 mi (1,365.68 km) |
| Sulphur to Crestwood (Missouri) | 599.86 mi (965.38 km) |
| Sulphur to Creve Coeur (Missouri) | 605.78 mi (974.91 km) |
| Sulphur to Crofton (Maryland) | 1,123.05 mi (1,807.38 km) |
| Sulphur to Crossville (Tennessee) | 623.06 mi (1,002.72 km) |
| Sulphur to Crowley (Louisiana) | 58.60 mi (94.30 km) |
| Sulphur to Crowley (Texas) | 286.40 mi (460.92 km) |
| Sulphur to Crown Point (Indiana) | 842.47 mi (1,355.82 km) |
| Sulphur to Crystal (Minnesota) | 1,023.21 mi (1,646.70 km) |
| Sulphur to Crystal Lake (Illinois) | 874.95 mi (1,408.09 km) |
| Sulphur to Cudahy (California) | 1,472.14 mi (2,369.18 km) |
| Sulphur to Cudahy (Wisconsin) | 929.51 mi (1,495.90 km) |
