| Middle Island to Caldicot | 3,300.97 mi (5,312.41 km) |
| Middle Island to Calne | 3,334.66 mi (5,366.61 km) |
| Middle Island to Cam | 3,314.70 mi (5,334.49 km) |
| Middle Island to Camberley | 3,388.79 mi (5,453.73 km) |
| Middle Island to Camborne | 3,220.31 mi (5,182.58 km) |
| Middle Island to Cambridge | 3,405.80 mi (5,481.10 km) |
| Middle Island to Cambuslang | 3,175.12 mi (5,109.86 km) |
| Middle Island to Canford Cliffs | 3,352.75 mi (5,395.72 km) |
| Middle Island to Cannock | 3,309.61 mi (5,326.30 km) |
| Middle Island to Canterbury | 3,464.74 mi (5,575.95 km) |
| Middle Island to Carlisle | 3,235.63 mi (5,207.25 km) |
| Middle Island to Carlton Colville | 3,463.72 mi (5,574.31 km) |
| Middle Island to Carluke | 3,188.97 mi (5,132.16 km) |
| Middle Island to Carnoustie | 3,220.62 mi (5,183.08 km) |
| Middle Island to Carshalton | 3,411.75 mi (5,490.69 km) |
