| Morriston to Solofra | 1,162.73 mi (1,871.23 km) |
| Morriston to Somma Lombardo | 707.88 mi (1,139.22 km) |
| Morriston to Somma Vesuviana | 1,145.92 mi (1,844.18 km) |
| Morriston to Sommacampagna | 800.98 mi (1,289.05 km) |
| Morriston to Sona | 798.92 mi (1,285.74 km) |
| Morriston to Sondrio | 731.22 mi (1,176.79 km) |
| Morriston to Sora | 1,074.34 mi (1,728.98 km) |
| Morriston to Sorbolo | 810.10 mi (1,303.73 km) |
| Morriston to Soresina | 768.41 mi (1,236.64 km) |
| Morriston to Sorisole | 741.19 mi (1,192.83 km) |
| Morriston to Sorrento | 1,156.04 mi (1,860.47 km) |
| Morriston to Sorso | 957.19 mi (1,540.45 km) |
| Morriston to Sortino | 1,363.07 mi (2,193.66 km) |
| Morriston to Soverato Marina | 1,333.35 mi (2,145.82 km) |
| Morriston to Sovicille | 912.00 mi (1,467.72 km) |
