| Dumbarton to Solofra | 1,363.11 mi (2,193.72 km) |
| Dumbarton to Somma Lombardo | 912.54 mi (1,468.60 km) |
| Dumbarton to Somma Vesuviana | 1,349.00 mi (2,171.01 km) |
| Dumbarton to Sommacampagna | 989.10 mi (1,591.80 km) |
| Dumbarton to Sona | 986.77 mi (1,588.06 km) |
| Dumbarton to Sondrio | 918.19 mi (1,477.69 km) |
| Dumbarton to Sora | 1,276.88 mi (2,054.94 km) |
| Dumbarton to Sorbolo | 1,008.50 mi (1,623.02 km) |
| Dumbarton to Soresina | 967.01 mi (1,556.25 km) |
| Dumbarton to Sorisole | 936.01 mi (1,506.37 km) |
| Dumbarton to Sorrento | 1,361.41 mi (2,190.98 km) |
| Dumbarton to Sorso | 1,203.65 mi (1,937.08 km) |
| Dumbarton to Sortino | 1,585.24 mi (2,551.20 km) |
| Dumbarton to Soverato Marina | 1,536.88 mi (2,473.37 km) |
| Dumbarton to Sovicille | 1,119.76 mi (1,802.08 km) |
