| Alton to Culpeper (Virginia) | 3,696.72 mi (5,949.29 km) |
| Alton to Culver City (California) | 5,437.06 mi (8,750.10 km) |
| Alton to Cumberland (Maryland) | 3,675.02 mi (5,914.37 km) |
| Alton to Cupertino (California) | 5,361.96 mi (8,629.24 km) |
| Alton to Cutler Bay (Florida) | 4,411.71 mi (7,099.96 km) |
| Alton to Cutlerville (Michigan) | 3,807.47 mi (6,127.53 km) |
| Alton to Cuyahoga Falls (Ohio) | 3,719.22 mi (5,985.50 km) |
| Alton to Cypress (California) | 5,436.10 mi (8,748.56 km) |
| Alton to Cypress Gardens (Florida) | 4,348.03 mi (6,997.48 km) |
| Alton to Cypress Lake (Florida) | 4,430.19 mi (7,129.70 km) |
| Alton to D'Iberville (Mississippi) | 4,526.42 mi (7,284.57 km) |
| Alton to Dakota Ridge (Colorado) | 4,681.98 mi (7,534.93 km) |
| Alton to Dale City (Virginia) | 3,661.87 mi (5,893.21 km) |
| Alton to Dallas (Georgia) | 4,190.37 mi (6,743.75 km) |
| Alton to Dallas (Oregon) | 4,960.78 mi (7,983.61 km) |
