| Mercer Island to Cognac | 5,098.55 mi (8,205.33 km) |
| Mercer Island to Cogolin | 5,429.18 mi (8,737.42 km) |
| Mercer Island to Colmar | 5,169.25 mi (8,319.11 km) |
| Mercer Island to Colombes | 4,989.94 mi (8,030.53 km) |
| Mercer Island to Colomiers | 5,263.05 mi (8,470.06 km) |
| Mercer Island to Combs-la-Ville | 5,012.34 mi (8,066.58 km) |
| Mercer Island to Comines | 4,906.47 mi (7,896.20 km) |
| Mercer Island to Compiegne | 4,977.36 mi (8,010.29 km) |
| Mercer Island to Concarneau | 4,875.50 mi (7,846.36 km) |
| Mercer Island to Conde-sur-l'Escaut | 4,938.84 mi (7,948.30 km) |
| Mercer Island to Conflans-Sainte-Honorine | 4,981.62 mi (8,017.14 km) |
| Mercer Island to Corbas | 5,245.51 mi (8,441.84 km) |
| Mercer Island to Corbeil-Essonnes | 5,013.43 mi (8,068.33 km) |
| Mercer Island to Cormeilles-en-Parisis | 4,985.77 mi (8,023.82 km) |
| Mercer Island to Cosne sur Loire | 5,093.12 mi (8,196.59 km) |
