| Alton to Commerce City (Colorado) | 4,659.06 mi (7,498.03 km) |
| Alton to Compton (California) | 5,437.96 mi (8,751.55 km) |
| Alton to Comstock Park (Michigan) | 3,798.53 mi (6,113.15 km) |
| Alton to Concord (California) | 5,322.81 mi (8,566.23 km) |
| Alton to Concord (Missouri) | 4,190.08 mi (6,743.27 km) |
| Alton to Concord (New Hampshire) | 3,229.14 mi (5,196.79 km) |
| Alton to Concord (North Carolina) | 3,946.77 mi (6,351.71 km) |
| Alton to Conneaut (Ohio) | 3,647.66 mi (5,870.34 km) |
| Alton to Connersville (Indiana) | 3,931.27 mi (6,326.77 km) |
| Alton to Conroe (Texas) | 4,800.05 mi (7,724.93 km) |
| Alton to Converse (Texas) | 4,954.22 mi (7,973.04 km) |
| Alton to Conway (Arkansas) | 4,440.48 mi (7,146.27 km) |
| Alton to Conway (Florida) | 4,308.57 mi (6,933.97 km) |
| Alton to Conway (South Carolina) | 3,953.46 mi (6,362.48 km) |
| Alton to Conyers (Georgia) | 4,167.71 mi (6,707.28 km) |
