| Middlesex to Caldicot | 3,378.31 mi (5,436.86 km) |
| Middlesex to Calne | 3,412.00 mi (5,491.08 km) |
| Middlesex to Cam | 3,391.89 mi (5,458.73 km) |
| Middlesex to Camberley | 3,466.02 mi (5,578.02 km) |
| Middlesex to Camborne | 3,298.97 mi (5,309.18 km) |
| Middlesex to Cambridge | 3,482.25 mi (5,604.14 km) |
| Middlesex to Cambuslang | 3,249.04 mi (5,228.82 km) |
| Middlesex to Canford Cliffs | 3,430.61 mi (5,521.03 km) |
| Middlesex to Cannock | 3,385.99 mi (5,449.22 km) |
| Middlesex to Canterbury | 3,541.73 mi (5,699.86 km) |
| Middlesex to Carlisle | 3,310.27 mi (5,327.36 km) |
| Middlesex to Carlton Colville | 3,539.73 mi (5,696.64 km) |
| Middlesex to Carluke | 3,262.94 mi (5,251.19 km) |
| Middlesex to Carnoustie | 3,293.71 mi (5,300.72 km) |
| Middlesex to Carshalton | 3,488.88 mi (5,614.81 km) |
