| Sulphur Springs to Cadillac (Michigan) | 942.42 mi (1,516.69 km) |
| Sulphur Springs to Caguas (Puerto Rico) | 2,098.79 mi (3,377.67 km) |
| Sulphur Springs to Cahokia (Illinois) | 482.45 mi (776.42 km) |
| Sulphur Springs to Calabasas (California) | 1,325.25 mi (2,132.79 km) |
| Sulphur Springs to Caldwell (Idaho) | 1,345.18 mi (2,164.86 km) |
| Sulphur Springs to Caledonia (Wisconsin) | 788.30 mi (1,268.64 km) |
| Sulphur Springs to Calera (Alabama) | 512.90 mi (825.43 km) |
| Sulphur Springs to Calexico (California) | 1,151.94 mi (1,853.86 km) |
| Sulphur Springs to Calhoun (Georgia) | 619.45 mi (996.92 km) |
| Sulphur Springs to California (Maryland) | 1,127.50 mi (1,814.53 km) |
| Sulphur Springs to California City (California) | 1,277.72 mi (2,056.29 km) |
| Sulphur Springs to Callaway (Florida) | 626.60 mi (1,008.41 km) |
| Sulphur Springs to Calumet City (Illinois) | 733.08 mi (1,179.78 km) |
| Sulphur Springs to Calverton (Maryland) | 1,116.60 mi (1,796.99 km) |
| Sulphur Springs to Camano (Washington) | 1,734.85 mi (2,791.97 km) |
