| Sulphur to Clarksdale (Mississippi) | 318.69 mi (512.89 km) |
| Sulphur to Clarkston (Georgia) | 588.32 mi (946.82 km) |
| Sulphur to Clarksville (Indiana) | 706.84 mi (1,137.55 km) |
| Sulphur to Clarksville (Tennessee) | 558.57 mi (898.94 km) |
| Sulphur to Clawson (Michigan) | 1,020.75 mi (1,642.74 km) |
| Sulphur to Clay (Alabama) | 462.23 mi (743.89 km) |
| Sulphur to Clayton (California) | 1,711.77 mi (2,754.82 km) |
| Sulphur to Clayton (Missouri) | 606.40 mi (975.91 km) |
| Sulphur to Clayton (North Carolina) | 940.93 mi (1,514.29 km) |
| Sulphur to Clayton (Ohio) | 838.27 mi (1,349.07 km) |
| Sulphur to Clearfield (Utah) | 1,284.83 mi (2,067.74 km) |
| Sulphur to Clearlake (California) | 1,761.77 mi (2,835.29 km) |
| Sulphur to Clearwater (Florida) | 657.90 mi (1,058.79 km) |
| Sulphur to Cleburne (Texas) | 281.11 mi (452.40 km) |
| Sulphur to Clemmons (North Carolina) | 849.81 mi (1,367.64 km) |
