| Northolt to Castelletto sopra Ticino | 574.78 mi (925.02 km) |
| Northolt to Castelli Calepio | 621.24 mi (999.80 km) |
| Northolt to Castelnovo ne' Monti | 698.34 mi (1,123.88 km) |
| Northolt to Castelnuovo Berardenga | 791.07 mi (1,273.11 km) |
| Northolt to Castelnuovo di Porto | 887.98 mi (1,429.07 km) |
| Northolt to Castelnuovo di Verona | 660.93 mi (1,063.67 km) |
| Northolt to Castelnuovo Rangone | 710.06 mi (1,142.74 km) |
| Northolt to Castelvetrano | 1,152.26 mi (1,854.38 km) |
| Northolt to Castelvetro di Modena | 713.15 mi (1,147.71 km) |
| Northolt to Castenaso | 730.33 mi (1,175.35 km) |
| Northolt to Castenedolo | 642.80 mi (1,034.49 km) |
| Northolt to Castiglion Fiorentino | 804.80 mi (1,295.19 km) |
| Northolt to Castiglione del Lago | 819.78 mi (1,319.30 km) |
| Northolt to Castiglione delle Stiviere | 653.24 mi (1,051.29 km) |
| Northolt to Castrolibero | 1,160.69 mi (1,867.95 km) |
