| Houghton le Spring to Solofra | 1,222.29 mi (1,967.09 km) |
| Houghton le Spring to Somma Lombardo | 774.24 mi (1,246.02 km) |
| Houghton le Spring to Somma Vesuviana | 1,208.58 mi (1,945.02 km) |
| Houghton le Spring to Sommacampagna | 847.97 mi (1,364.67 km) |
| Houghton le Spring to Sona | 845.62 mi (1,360.89 km) |
| Houghton le Spring to Sondrio | 777.27 mi (1,250.89 km) |
| Houghton le Spring to Sora | 1,136.57 mi (1,829.13 km) |
| Houghton le Spring to Sorbolo | 868.61 mi (1,397.89 km) |
| Houghton le Spring to Soresina | 827.37 mi (1,331.52 km) |
| Houghton le Spring to Sorisole | 796.01 mi (1,281.05 km) |
| Houghton le Spring to Sorrento | 1,221.28 mi (1,965.46 km) |
| Houghton le Spring to Sorso | 1,073.87 mi (1,728.23 km) |
| Houghton le Spring to Sortino | 1,447.45 mi (2,329.44 km) |
| Houghton le Spring to Soverato Marina | 1,396.12 mi (2,246.84 km) |
| Houghton le Spring to Sovicille | 980.80 mi (1,578.45 km) |
