| Sulphur to Candler-McAfee (Georgia) | 584.40 mi (940.51 km) |
| Sulphur to Caño Martin Peña (Puerto Rico) | 1,895.56 mi (3,050.61 km) |
| Sulphur to Cañon City (Colorado) | 881.97 mi (1,419.39 km) |
| Sulphur to Canóvanas (Puerto Rico) | 1,906.18 mi (3,067.70 km) |
| Sulphur to Canton (Georgia) | 587.55 mi (945.57 km) |
| Sulphur to Canton (Illinois) | 737.90 mi (1,187.54 km) |
| Sulphur to Canton (Mississippi) | 255.37 mi (410.98 km) |
| Sulphur to Canton (Ohio) | 992.49 mi (1,597.26 km) |
| Sulphur to Canyon (Texas) | 596.80 mi (960.46 km) |
| Sulphur to Canyon Lake (California) | 1,418.31 mi (2,282.55 km) |
| Sulphur to Canyon Lake (Texas) | 294.30 mi (473.63 km) |
| Sulphur to Cape Coral (Florida) | 732.89 mi (1,179.48 km) |
| Sulphur to Cape Girardeau (Missouri) | 535.60 mi (861.96 km) |
| Sulphur to Carbondale (Illinois) | 569.16 mi (915.98 km) |
| Sulphur to Carlisle (Pennsylvania) | 1,139.75 mi (1,834.24 km) |
