| Mercer Island to Cabestany | 5,362.24 mi (8,629.70 km) |
| Mercer Island to Cabries | 5,386.92 mi (8,669.41 km) |
| Mercer Island to Cachan | 4,999.44 mi (8,045.83 km) |
| Mercer Island to Caen | 4,905.04 mi (7,893.89 km) |
| Mercer Island to Cagnes-sur-Mer | 5,421.72 mi (8,725.41 km) |
| Mercer Island to Cahors | 5,219.10 mi (8,399.32 km) |
| Mercer Island to Calais | 4,866.49 mi (7,831.86 km) |
| Mercer Island to Caluire-et-Cuire | 5,236.74 mi (8,427.71 km) |
| Mercer Island to Cambrai | 4,945.15 mi (7,958.45 km) |
| Mercer Island to Canet-en-Roussillon | 5,362.66 mi (8,630.37 km) |
| Mercer Island to Cannes | 5,424.70 mi (8,730.21 km) |
| Mercer Island to Canteleu | 4,928.12 mi (7,931.04 km) |
| Mercer Island to Capbreton | 5,179.84 mi (8,336.14 km) |
| Mercer Island to Carcassonne | 5,315.11 mi (8,553.85 km) |
| Mercer Island to Carmaux | 5,262.06 mi (8,468.46 km) |
