| Alton to Carlsbad (New Mexico) | 5,029.57 mi (8,094.32 km) |
| Alton to Carmel (Indiana) | 3,956.79 mi (6,367.84 km) |
| Alton to Carmichael (California) | 5,264.58 mi (8,472.52 km) |
| Alton to Carney (Maryland) | 3,594.42 mi (5,784.67 km) |
| Alton to Carnot-Moon (Pennsylvania) | 3,695.64 mi (5,947.55 km) |
| Alton to Carol Stream (Illinois) | 3,943.88 mi (6,347.06 km) |
| Alton to Carolina (Puerto Rico) | 4,157.41 mi (6,690.71 km) |
| Alton to Carolina Forest (South Carolina) | 3,951.55 mi (6,359.41 km) |
| Alton to Carpentersville (Illinois) | 3,940.56 mi (6,341.72 km) |
| Alton to Carpinteria (California) | 5,450.78 mi (8,772.19 km) |
| Alton to Carrboro (North Carolina) | 3,857.75 mi (6,208.44 km) |
| Alton to Carroll (Iowa) | 4,190.05 mi (6,743.23 km) |
| Alton to Carrollton (Georgia) | 4,216.43 mi (6,785.69 km) |
| Alton to Carrollton (Texas) | 4,719.11 mi (7,594.67 km) |
| Alton to Carrollwood (Florida) | 4,380.46 mi (7,049.67 km) |
