| Mattoon to Corato | 5,135.03 mi (8,264.03 km) |
| Mattoon to Corbetta | 4,655.50 mi (7,492.30 km) |
| Mattoon to Corciano | 4,884.46 mi (7,860.77 km) |
| Mattoon to Cordenons | 4,784.69 mi (7,700.22 km) |
| Mattoon to Cori | 4,971.88 mi (8,001.46 km) |
| Mattoon to Coriano | 4,862.98 mi (7,826.21 km) |
| Mattoon to Corigliano Calabro | 5,207.71 mi (8,380.99 km) |
| Mattoon to Corleone | 5,150.25 mi (8,288.52 km) |
| Mattoon to Cormano | 4,662.31 mi (7,503.27 km) |
| Mattoon to Cornaredo | 4,658.90 mi (7,497.77 km) |
| Mattoon to Cornate d'Adda | 4,670.44 mi (7,516.35 km) |
| Mattoon to Cornedo Vicentino | 4,746.54 mi (7,638.81 km) |
| Mattoon to Correggio | 4,757.69 mi (7,656.76 km) |
| Mattoon to Corridonia | 4,929.36 mi (7,933.04 km) |
| Mattoon to Corsico | 4,664.83 mi (7,507.31 km) |
