| Harrow Weald to Castrovillari | 1,135.08 mi (1,826.73 km) |
| Harrow Weald to Catania | 1,230.29 mi (1,979.96 km) |
| Harrow Weald to Catanzaro | 1,198.13 mi (1,928.21 km) |
| Harrow Weald to Cattolica | 802.08 mi (1,290.83 km) |
| Harrow Weald to Cava de' Tirreni | 1,038.05 mi (1,670.58 km) |
| Harrow Weald to Cavallino | 1,177.58 mi (1,895.13 km) |
| Harrow Weald to Cavarzere | 722.71 mi (1,163.08 km) |
| Harrow Weald to Cave | 920.61 mi (1,481.58 km) |
| Harrow Weald to Cavriago | 690.55 mi (1,111.33 km) |
| Harrow Weald to Cavriglia | 783.05 mi (1,260.20 km) |
| Harrow Weald to Cazzago San Martino | 629.40 mi (1,012.92 km) |
| Harrow Weald to Ceccano | 946.95 mi (1,523.97 km) |
| Harrow Weald to Cecina | 763.26 mi (1,228.35 km) |
| Harrow Weald to Cefalu | 1,167.78 mi (1,879.37 km) |
| Harrow Weald to Ceglie Messapico | 1,135.79 mi (1,827.88 km) |
