| Highgate to Caldicot | 111.82 mi (179.96 km) |
| Highgate to Calne | 80.53 mi (129.60 km) |
| Highgate to Cam | 95.59 mi (153.84 km) |
| Highgate to Camberley | 30.47 mi (49.04 km) |
| Highgate to Camborne | 243.43 mi (391.76 km) |
| Highgate to Cambridge | 45.21 mi (72.76 km) |
| Highgate to Cambuslang | 336.32 mi (541.25 km) |
| Highgate to Canford Cliffs | 98.06 mi (157.81 km) |
| Highgate to Cannock | 111.15 mi (178.87 km) |
| Highgate to Canterbury | 56.48 mi (90.90 km) |
| Highgate to Carlisle | 256.86 mi (413.38 km) |
| Highgate to Carlton Colville | 99.05 mi (159.41 km) |
| Highgate to Carluke | 324.75 mi (522.63 km) |
| Highgate to Carnoustie | 356.07 mi (573.05 km) |
| Highgate to Carshalton | 14.29 mi (23.00 km) |
