| Northolt to Spello | 848.24 mi (1,365.11 km) |
| Northolt to Spilamberto | 713.71 mi (1,148.61 km) |
| Northolt to Spilimbergo | 708.01 mi (1,139.43 km) |
| Northolt to Spinea | 708.22 mi (1,139.78 km) |
| Northolt to Spoleto | 860.81 mi (1,385.34 km) |
| Northolt to Spoltore | 925.40 mi (1,489.29 km) |
| Northolt to Spresiano | 698.65 mi (1,124.36 km) |
| Northolt to Squinzano | 1,165.19 mi (1,875.19 km) |
| Northolt to Statte | 1,128.33 mi (1,815.88 km) |
| Northolt to Stezzano | 611.95 mi (984.85 km) |
| Northolt to Strada | 772.55 mi (1,243.31 km) |
| Northolt to Stradella | 628.97 mi (1,012.22 km) |
| Northolt to Striano | 1,025.83 mi (1,650.92 km) |
| Northolt to Subiaco | 918.04 mi (1,477.45 km) |
| Northolt to Sulmona | 939.21 mi (1,511.51 km) |
