| Plymouth to Solofra | 1,124.81 mi (1,810.20 km) |
| Plymouth to Somma Lombardo | 674.77 mi (1,085.94 km) |
| Plymouth to Somma Vesuviana | 1,107.04 mi (1,781.60 km) |
| Plymouth to Sommacampagna | 773.05 mi (1,244.11 km) |
| Plymouth to Sona | 771.15 mi (1,241.05 km) |
| Plymouth to Sondrio | 705.34 mi (1,135.14 km) |
| Plymouth to Sora | 1,036.38 mi (1,667.90 km) |
| Plymouth to Sorbolo | 777.60 mi (1,251.43 km) |
| Plymouth to Soresina | 736.66 mi (1,185.53 km) |
| Plymouth to Sorisole | 711.68 mi (1,145.34 km) |
| Plymouth to Sorrento | 1,116.13 mi (1,796.23 km) |
| Plymouth to Sorso | 900.75 mi (1,449.62 km) |
| Plymouth to Sortino | 1,314.69 mi (2,115.80 km) |
| Plymouth to Soverato Marina | 1,292.82 mi (2,080.59 km) |
| Plymouth to Sovicille | 873.79 mi (1,406.22 km) |
