| Northolt to Carmignano | 750.56 mi (1,207.91 km) |
| Northolt to Carovigno | 1,138.00 mi (1,831.44 km) |
| Northolt to Carpenedolo | 652.58 mi (1,050.23 km) |
| Northolt to Carpi | 696.68 mi (1,121.19 km) |
| Northolt to Carrara | 707.32 mi (1,138.32 km) |
| Northolt to Carugate | 606.23 mi (975.63 km) |
| Northolt to Casal di Principe | 1,000.92 mi (1,610.82 km) |
| Northolt to Casale Monferrato | 599.74 mi (965.19 km) |
| Northolt to Casale sul Sile | 709.82 mi (1,142.34 km) |
| Northolt to Casalecchio di Reno | 725.25 mi (1,167.18 km) |
| Northolt to Casalgrande | 701.67 mi (1,129.23 km) |
| Northolt to Casalmaggiore | 670.71 mi (1,079.40 km) |
| Northolt to Casalnuovo di Napoli | 1,013.37 mi (1,630.85 km) |
| Northolt to Casalpusterlengo | 635.52 mi (1,022.77 km) |
| Northolt to Casaluce | 1,003.98 mi (1,615.76 km) |
