| Alton to Crest Hill (Illinois) | 3,959.10 mi (6,371.56 km) |
| Alton to Crestview (Florida) | 4,416.97 mi (7,108.42 km) |
| Alton to Crestwood (Illinois) | 3,941.38 mi (6,343.04 km) |
| Alton to Crestwood (Missouri) | 4,188.72 mi (6,741.09 km) |
| Alton to Creve Coeur (Missouri) | 4,186.19 mi (6,737.03 km) |
| Alton to Crofton (Maryland) | 3,618.12 mi (5,822.80 km) |
| Alton to Crossville (Tennessee) | 4,100.40 mi (6,598.96 km) |
| Alton to Crowley (Louisiana) | 4,680.75 mi (7,532.93 km) |
| Alton to Crowley (Texas) | 4,758.03 mi (7,657.31 km) |
| Alton to Crown Point (Indiana) | 3,936.79 mi (6,335.66 km) |
| Alton to Crystal (Minnesota) | 3,994.80 mi (6,429.01 km) |
| Alton to Crystal Lake (Illinois) | 3,937.22 mi (6,336.35 km) |
| Alton to Cudahy (California) | 5,432.53 mi (8,742.80 km) |
| Alton to Cudahy (Wisconsin) | 3,886.66 mi (6,254.98 km) |
| Alton to Cullman (Alabama) | 4,259.31 mi (6,854.69 km) |
