| Plymouth to Sestu | 999.77 mi (1,608.98 km) |
| Plymouth to Settimo Torinese | 659.88 mi (1,061.97 km) |
| Plymouth to Seveso | 693.98 mi (1,116.85 km) |
| Plymouth to Sezze | 1,025.23 mi (1,649.96 km) |
| Plymouth to Siano | 1,120.23 mi (1,802.83 km) |
| Plymouth to Siena | 876.07 mi (1,409.90 km) |
| Plymouth to Signa | 847.00 mi (1,363.11 km) |
| Plymouth to Silea | 824.50 mi (1,326.91 km) |
| Plymouth to Silvi Paese | 1,019.23 mi (1,640.28 km) |
| Plymouth to Sinalunga | 896.19 mi (1,442.28 km) |
| Plymouth to Siniscola | 949.82 mi (1,528.59 km) |
| Plymouth to Sinnai | 1,003.08 mi (1,614.30 km) |
| Plymouth to Siracusa | 1,328.86 mi (2,138.60 km) |
| Plymouth to Solaro | 692.87 mi (1,115.07 km) |
| Plymouth to Soliera | 801.07 mi (1,289.20 km) |
