| Barrhead to Solofra | 1,351.11 mi (2,174.41 km) |
| Barrhead to Somma Lombardo | 900.38 mi (1,449.01 km) |
| Barrhead to Somma Vesuviana | 1,336.97 mi (2,151.64 km) |
| Barrhead to Sommacampagna | 977.15 mi (1,572.57 km) |
| Barrhead to Sona | 974.83 mi (1,568.83 km) |
| Barrhead to Sondrio | 906.22 mi (1,458.42 km) |
| Barrhead to Sora | 1,264.84 mi (2,035.56 km) |
| Barrhead to Sorbolo | 996.43 mi (1,603.60 km) |
| Barrhead to Soresina | 954.92 mi (1,536.80 km) |
| Barrhead to Sorisole | 923.96 mi (1,486.97 km) |
| Barrhead to Sorrento | 1,349.35 mi (2,171.57 km) |
| Barrhead to Sorso | 1,191.26 mi (1,917.15 km) |
| Barrhead to Sortino | 1,573.02 mi (2,531.53 km) |
| Barrhead to Soverato Marina | 1,524.87 mi (2,454.04 km) |
| Barrhead to Sovicille | 1,107.62 mi (1,782.54 km) |
