| Harrow Weald to Cabestany | 635.37 mi (1,022.53 km) |
| Harrow Weald to Cabries | 623.47 mi (1,003.37 km) |
| Harrow Weald to Cachan | 227.35 mi (365.89 km) |
| Harrow Weald to Caen | 167.49 mi (269.55 km) |
| Harrow Weald to Cagnes-sur-Mer | 649.22 mi (1,044.82 km) |
| Harrow Weald to Cahors | 501.22 mi (806.63 km) |
| Harrow Weald to Calais | 105.15 mi (169.22 km) |
| Harrow Weald to Caluire-et-Cuire | 465.57 mi (749.26 km) |
| Harrow Weald to Cambrai | 184.35 mi (296.69 km) |
| Harrow Weald to Canet-en-Roussillon | 634.42 mi (1,021.01 km) |
| Harrow Weald to Cannes | 652.69 mi (1,050.41 km) |
| Harrow Weald to Canteleu | 160.54 mi (258.36 km) |
| Harrow Weald to Capbreton | 552.46 mi (889.10 km) |
| Harrow Weald to Carcassonne | 593.33 mi (954.88 km) |
| Harrow Weald to Carmaux | 534.60 mi (860.35 km) |
