| Harrow Weald to Caltagirone | 1,228.82 mi (1,977.59 km) |
| Harrow Weald to Caltanissetta | 1,201.06 mi (1,932.92 km) |
| Harrow Weald to Calvisano | 651.74 mi (1,048.87 km) |
| Harrow Weald to Calvizzano | 1,010.46 mi (1,626.18 km) |
| Harrow Weald to Camaiore | 723.13 mi (1,163.77 km) |
| Harrow Weald to Cameri | 588.15 mi (946.53 km) |
| Harrow Weald to Camisano Vicentino | 691.95 mi (1,113.59 km) |
| Harrow Weald to Campagna | 1,052.95 mi (1,694.56 km) |
| Harrow Weald to Campagnano di Roma | 885.96 mi (1,425.81 km) |
| Harrow Weald to Campi Bisenzio | 755.93 mi (1,216.55 km) |
| Harrow Weald to Campi Salentina | 1,166.83 mi (1,877.83 km) |
| Harrow Weald to Campiglia Marittima | 780.05 mi (1,255.36 km) |
| Harrow Weald to Campobasso | 990.71 mi (1,594.39 km) |
| Harrow Weald to Campobello di Licata | 1,211.22 mi (1,949.27 km) |
| Harrow Weald to Campobello di Mazara | 1,156.36 mi (1,860.99 km) |
