| Northolt to Cortona | 810.64 mi (1,304.60 km) |
| Northolt to Cosenza | 1,163.24 mi (1,872.05 km) |
| Northolt to Cossato | 567.71 mi (913.64 km) |
| Northolt to Costa Volpino | 618.65 mi (995.62 km) |
| Northolt to Creazzo | 681.74 mi (1,097.15 km) |
| Northolt to Crema | 627.09 mi (1,009.20 km) |
| Northolt to Cremona | 650.50 mi (1,046.88 km) |
| Northolt to Crevalcore | 709.08 mi (1,141.16 km) |
| Northolt to Crispiano | 1,127.79 mi (1,815.00 km) |
| Northolt to Crosia | 1,165.99 mi (1,876.48 km) |
| Northolt to Crotone | 1,203.74 mi (1,937.23 km) |
| Northolt to Cuneo | 615.05 mi (989.83 km) |
| Northolt to Cuorgne | 561.43 mi (903.53 km) |
| Northolt to Cusano Milanino | 601.26 mi (967.63 km) |
| Northolt to Cutro | 1,201.99 mi (1,934.41 km) |
