| Sulphur to Cordele (Georgia) | 579.45 mi (932.54 km) |
| Sulphur to Corinth (Mississippi) | 430.87 mi (693.43 km) |
| Sulphur to Corinth (Texas) | 296.91 mi (477.82 km) |
| Sulphur to Cornelius (North Carolina) | 808.82 mi (1,301.67 km) |
| Sulphur to Cornelius (Oregon) | 1,916.37 mi (3,084.10 km) |
| Sulphur to Corning (New York) | 1,222.55 mi (1,967.51 km) |
| Sulphur to Corona (California) | 1,436.35 mi (2,311.59 km) |
| Sulphur to Coronado (California) | 1,410.20 mi (2,269.50 km) |
| Sulphur to Corpus Christi (Texas) | 298.22 mi (479.93 km) |
| Sulphur to Corsicana (Texas) | 224.08 mi (360.61 km) |
| Sulphur to Cortland (New York) | 1,277.19 mi (2,055.45 km) |
| Sulphur to Corvallis (Oregon) | 1,901.91 mi (3,060.84 km) |
| Sulphur to Coshocton (Ohio) | 948.22 mi (1,526.01 km) |
| Sulphur to Costa Mesa (California) | 1,455.64 mi (2,342.62 km) |
| Sulphur to Coto de Caza (California) | 1,436.59 mi (2,311.97 km) |
