| Portchester to Caldicot | 87.46 mi (140.75 km) |
| Portchester to Calne | 56.28 mi (90.58 km) |
| Portchester to Cam | 80.10 mi (128.90 km) |
| Portchester to Camberley | 37.81 mi (60.85 km) |
| Portchester to Camborne | 188.64 mi (303.59 km) |
| Portchester to Cambridge | 108.21 mi (174.15 km) |
| Portchester to Cambuslang | 366.05 mi (589.10 km) |
| Portchester to Canford Cliffs | 36.73 mi (59.11 km) |
| Portchester to Cannock | 133.51 mi (214.86 km) |
| Portchester to Canterbury | 100.21 mi (161.27 km) |
| Portchester to Carlisle | 289.89 mi (466.54 km) |
| Portchester to Carlton Colville | 164.08 mi (264.06 km) |
| Portchester to Carluke | 356.04 mi (572.99 km) |
| Portchester to Carnoustie | 396.35 mi (637.86 km) |
| Portchester to Carshalton | 54.90 mi (88.35 km) |
