| Northolt to Sacile | 700.11 mi (1,126.73 km) |
| Northolt to Sala Consilina | 1,082.33 mi (1,741.84 km) |
| Northolt to Salemi | 1,144.43 mi (1,841.79 km) |
| Northolt to Salerno | 1,039.49 mi (1,672.90 km) |
| Northolt to Salo | 644.81 mi (1,037.72 km) |
| Northolt to Salsomaggiore Terme | 664.91 mi (1,070.07 km) |
| Northolt to Saluzzo | 598.41 mi (963.04 km) |
| Northolt to Salzano | 704.80 mi (1,134.27 km) |
| Northolt to Samarate | 584.77 mi (941.09 km) |
| Northolt to San Benedetto del Tronto | 891.45 mi (1,434.65 km) |
| Northolt to San Biagio di Callalta | 707.78 mi (1,139.07 km) |
| Northolt to San Bonifacio | 680.76 mi (1,095.58 km) |
| Northolt to San Casciano in Val di Pesa | 764.43 mi (1,230.24 km) |
| Northolt to San Cataldo | 1,197.14 mi (1,926.61 km) |
| Northolt to San Cesareo | 914.70 mi (1,472.06 km) |
