| Grangemouth to Solofra | 1,341.88 mi (2,159.54 km) |
| Grangemouth to Somma Lombardo | 893.10 mi (1,437.30 km) |
| Grangemouth to Somma Vesuviana | 1,328.09 mi (2,137.36 km) |
| Grangemouth to Sommacampagna | 967.58 mi (1,557.17 km) |
| Grangemouth to Sona | 965.24 mi (1,553.40 km) |
| Grangemouth to Sondrio | 896.84 mi (1,443.33 km) |
| Grangemouth to Sora | 1,256.06 mi (2,021.43 km) |
| Grangemouth to Sorbolo | 987.98 mi (1,589.99 km) |
| Grangemouth to Soresina | 946.66 mi (1,523.50 km) |
| Grangemouth to Sorisole | 915.40 mi (1,473.19 km) |
| Grangemouth to Sorrento | 1,340.73 mi (2,157.70 km) |
| Grangemouth to Sorso | 1,188.80 mi (1,913.19 km) |
| Grangemouth to Sortino | 1,566.22 mi (2,520.59 km) |
| Grangemouth to Soverato Marina | 1,515.70 mi (2,439.29 km) |
| Grangemouth to Sovicille | 1,099.92 mi (1,770.14 km) |
