| Washington to Caldicot | 234.20 mi (376.91 km) |
| Washington to Calne | 240.04 mi (386.31 km) |
| Washington to Cam | 223.75 mi (360.09 km) |
| Washington to Camberley | 248.42 mi (399.79 km) |
| Washington to Camborne | 360.55 mi (580.24 km) |
| Washington to Cambridge | 197.96 mi (318.58 km) |
| Washington to Cambuslang | 121.81 mi (196.03 km) |
| Washington to Canford Cliffs | 290.70 mi (467.83 km) |
| Washington to Cannock | 154.02 mi (247.87 km) |
| Washington to Canterbury | 272.35 mi (438.30 km) |
| Washington to Carlisle | 56.58 mi (91.06 km) |
| Washington to Carlton Colville | 214.04 mi (344.46 km) |
| Washington to Carluke | 107.68 mi (173.30 km) |
| Washington to Carnoustie | 119.93 mi (193.00 km) |
| Washington to Carshalton | 250.57 mi (403.25 km) |
