| Plymstock to Solofra | 1,122.31 mi (1,806.18 km) |
| Plymstock to Somma Lombardo | 672.26 mi (1,081.90 km) |
| Plymstock to Somma Vesuviana | 1,104.54 mi (1,777.59 km) |
| Plymstock to Sommacampagna | 770.54 mi (1,240.07 km) |
| Plymstock to Sona | 768.65 mi (1,237.02 km) |
| Plymstock to Sondrio | 702.84 mi (1,131.11 km) |
| Plymstock to Sora | 1,033.88 mi (1,663.88 km) |
| Plymstock to Sorbolo | 775.09 mi (1,247.39 km) |
| Plymstock to Soresina | 734.15 mi (1,181.49 km) |
| Plymstock to Sorisole | 709.17 mi (1,141.31 km) |
| Plymstock to Sorrento | 1,113.63 mi (1,792.22 km) |
| Plymstock to Sorso | 898.38 mi (1,445.80 km) |
| Plymstock to Sortino | 1,312.25 mi (2,111.86 km) |
| Plymstock to Soverato Marina | 1,290.33 mi (2,076.58 km) |
| Plymstock to Sovicille | 871.29 mi (1,402.20 km) |
