| Stranraer to Sestu | 1,260.82 mi (2,029.10 km) |
| Stranraer to Settimo Torinese | 879.35 mi (1,415.18 km) |
| Stranraer to Seveso | 891.48 mi (1,434.70 km) |
| Stranraer to Sezze | 1,238.33 mi (1,992.90 km) |
| Stranraer to Siano | 1,326.97 mi (2,135.55 km) |
| Stranraer to Siena | 1,084.67 mi (1,745.61 km) |
| Stranraer to Signa | 1,052.06 mi (1,693.13 km) |
| Stranraer to Silea | 991.92 mi (1,596.34 km) |
| Stranraer to Silvi Paese | 1,212.94 mi (1,952.03 km) |
| Stranraer to Sinalunga | 1,102.43 mi (1,774.20 km) |
| Stranraer to Siniscola | 1,198.04 mi (1,928.06 km) |
| Stranraer to Sinnai | 1,263.30 mi (2,033.08 km) |
| Stranraer to Siracusa | 1,559.36 mi (2,509.55 km) |
| Stranraer to Solaro | 891.38 mi (1,434.54 km) |
| Stranraer to Soliera | 994.99 mi (1,601.28 km) |
