| Mercer Island to Caldicot | 4,709.36 mi (7,578.98 km) |
| Mercer Island to Calne | 4,737.72 mi (7,624.62 km) |
| Mercer Island to Cam | 4,713.88 mi (7,586.26 km) |
| Mercer Island to Camberley | 4,777.12 mi (7,688.02 km) |
| Mercer Island to Camborne | 4,711.29 mi (7,582.09 km) |
| Mercer Island to Cambridge | 4,752.23 mi (7,647.97 km) |
| Mercer Island to Cambuslang | 4,448.99 mi (7,159.96 km) |
| Mercer Island to Canford Cliffs | 4,779.57 mi (7,691.97 km) |
| Mercer Island to Cannock | 4,669.79 mi (7,515.31 km) |
| Mercer Island to Canterbury | 4,827.99 mi (7,769.90 km) |
| Mercer Island to Carlisle | 4,528.92 mi (7,288.59 km) |
| Mercer Island to Carlton Colville | 4,778.72 mi (7,690.61 km) |
| Mercer Island to Carluke | 4,461.94 mi (7,180.80 km) |
| Mercer Island to Carnoustie | 4,450.17 mi (7,161.86 km) |
| Mercer Island to Carshalton | 4,790.67 mi (7,709.84 km) |
