| Grangemouth to Sestu | 1,294.71 mi (2,083.63 km) |
| Grangemouth to Settimo Torinese | 902.35 mi (1,452.20 km) |
| Grangemouth to Seveso | 906.87 mi (1,459.47 km) |
| Grangemouth to Sezze | 1,253.84 mi (2,017.86 km) |
| Grangemouth to Siano | 1,339.33 mi (2,155.45 km) |
| Grangemouth to Siena | 1,100.46 mi (1,771.02 km) |
| Grangemouth to Signa | 1,067.10 mi (1,717.33 km) |
| Grangemouth to Silea | 995.58 mi (1,602.23 km) |
| Grangemouth to Silvi Paese | 1,221.98 mi (1,966.58 km) |
| Grangemouth to Sinalunga | 1,117.16 mi (1,797.90 km) |
| Grangemouth to Siniscola | 1,227.16 mi (1,974.92 km) |
| Grangemouth to Sinnai | 1,296.81 mi (2,087.01 km) |
| Grangemouth to Siracusa | 1,578.72 mi (2,540.71 km) |
| Grangemouth to Solaro | 907.10 mi (1,459.84 km) |
| Grangemouth to Soliera | 1,007.20 mi (1,620.92 km) |
