| Penarth to Caldicot | 21.24 mi (34.18 km) |
| Penarth to Calne | 50.18 mi (80.76 km) |
| Penarth to Cam | 39.35 mi (63.33 km) |
| Penarth to Camberley | 104.90 mi (168.82 km) |
| Penarth to Camborne | 125.35 mi (201.73 km) |
| Penarth to Cambridge | 150.33 mi (241.94 km) |
| Penarth to Cambuslang | 305.98 mi (492.43 km) |
| Penarth to Canford Cliffs | 73.77 mi (118.73 km) |
| Penarth to Cannock | 99.74 mi (160.52 km) |
| Penarth to Canterbury | 183.65 mi (295.55 km) |
| Penarth to Carlisle | 239.31 mi (385.14 km) |
| Penarth to Carlton Colville | 218.75 mi (352.04 km) |
| Penarth to Carluke | 298.62 mi (480.58 km) |
| Penarth to Carnoustie | 350.87 mi (564.67 km) |
| Penarth to Carshalton | 129.50 mi (208.40 km) |
