| Llanelli to Solofra | 1,171.54 mi (1,885.42 km) |
| Llanelli to Somma Lombardo | 716.83 mi (1,153.62 km) |
| Llanelli to Somma Vesuviana | 1,154.68 mi (1,858.28 km) |
| Llanelli to Sommacampagna | 810.16 mi (1,303.82 km) |
| Llanelli to Sona | 808.11 mi (1,300.52 km) |
| Llanelli to Sondrio | 740.46 mi (1,191.65 km) |
| Llanelli to Sora | 1,083.14 mi (1,743.15 km) |
| Llanelli to Sorbolo | 819.10 mi (1,318.22 km) |
| Llanelli to Soresina | 777.43 mi (1,251.16 km) |
| Llanelli to Sorisole | 750.30 mi (1,207.49 km) |
| Llanelli to Sorrento | 1,164.76 mi (1,874.50 km) |
| Llanelli to Sorso | 964.77 mi (1,552.65 km) |
| Llanelli to Sortino | 1,371.32 mi (2,206.92 km) |
| Llanelli to Soverato Marina | 1,342.05 mi (2,159.82 km) |
| Llanelli to Sovicille | 920.76 mi (1,481.82 km) |
