| Alton to Centralia (Illinois) | 4,141.39 mi (6,664.92 km) |
| Alton to Centralia (Washington) | 4,848.59 mi (7,803.05 km) |
| Alton to Centreville (Virginia) | 3,657.15 mi (5,885.62 km) |
| Alton to Ceres (California) | 5,312.99 mi (8,550.43 km) |
| Alton to Cerritos (California) | 5,434.20 mi (8,745.51 km) |
| Alton to Chalco (Nebraska) | 4,279.87 mi (6,887.78 km) |
| Alton to Chalmette (Louisiana) | 4,596.55 mi (7,397.43 km) |
| Alton to Chambersburg (Pennsylvania) | 3,617.65 mi (5,822.05 km) |
| Alton to Chamblee (Georgia) | 4,169.65 mi (6,710.40 km) |
| Alton to Champaign (Illinois) | 4,033.08 mi (6,490.62 km) |
| Alton to Champlin (Minnesota) | 3,989.75 mi (6,420.88 km) |
| Alton to Chandler (Arizona) | 5,256.81 mi (8,460.02 km) |
| Alton to Chanhassen (Minnesota) | 4,010.63 mi (6,454.48 km) |
| Alton to Channahon (Illinois) | 3,971.77 mi (6,391.94 km) |
| Alton to Channelview (Texas) | 4,812.75 mi (7,745.37 km) |
