| Mercer Island to Corato | 5,804.48 mi (9,341.41 km) |
| Mercer Island to Corbetta | 5,361.63 mi (8,628.71 km) |
| Mercer Island to Corciano | 5,584.73 mi (8,987.75 km) |
| Mercer Island to Cordenons | 5,422.78 mi (8,727.12 km) |
| Mercer Island to Cori | 5,690.29 mi (9,157.64 km) |
| Mercer Island to Coriano | 5,542.13 mi (8,919.20 km) |
| Mercer Island to Corigliano Calabro | 5,903.01 mi (9,499.97 km) |
| Mercer Island to Corleone | 5,932.57 mi (9,547.55 km) |
| Mercer Island to Cormano | 5,362.99 mi (8,630.91 km) |
| Mercer Island to Cornaredo | 5,362.60 mi (8,630.27 km) |
| Mercer Island to Cornate d'Adda | 5,364.58 mi (8,633.45 km) |
| Mercer Island to Cornedo Vicentino | 5,412.73 mi (8,710.95 km) |
| Mercer Island to Correggio | 5,449.50 mi (8,770.11 km) |
| Mercer Island to Corridonia | 5,607.61 mi (9,024.57 km) |
| Mercer Island to Corsico | 5,368.63 mi (8,639.98 km) |
