| Houghton Regis to Caldicot | 97.58 mi (157.04 km) |
| Houghton Regis to Calne | 71.13 mi (114.47 km) |
| Houghton Regis to Cam | 79.83 mi (128.47 km) |
| Houghton Regis to Camberley | 40.40 mi (65.01 km) |
| Houghton Regis to Camborne | 237.95 mi (382.95 km) |
| Houghton Regis to Cambridge | 34.38 mi (55.33 km) |
| Houghton Regis to Cambuslang | 308.45 mi (496.40 km) |
| Houghton Regis to Canford Cliffs | 102.97 mi (165.72 km) |
| Houghton Regis to Cannock | 83.59 mi (134.52 km) |
| Houghton Regis to Canterbury | 81.26 mi (130.77 km) |
| Houghton Regis to Carlisle | 229.16 mi (368.80 km) |
| Houghton Regis to Carlton Colville | 101.27 mi (162.98 km) |
| Houghton Regis to Carluke | 296.99 mi (477.96 km) |
| Houghton Regis to Carnoustie | 329.63 mi (530.50 km) |
| Houghton Regis to Carshalton | 40.25 mi (64.77 km) |
