| Hartlepool to Sestu | 1,166.11 mi (1,876.67 km) |
| Hartlepool to Settimo Torinese | 770.32 mi (1,239.72 km) |
| Hartlepool to Seveso | 773.16 mi (1,244.27 km) |
| Hartlepool to Sezze | 1,119.94 mi (1,802.37 km) |
| Hartlepool to Siano | 1,205.13 mi (1,939.47 km) |
| Hartlepool to Siena | 966.67 mi (1,555.70 km) |
| Hartlepool to Signa | 933.23 mi (1,501.88 km) |
| Hartlepool to Silea | 861.43 mi (1,386.34 km) |
| Hartlepool to Silvi Paese | 1,087.67 mi (1,750.44 km) |
| Hartlepool to Sinalunga | 983.23 mi (1,582.35 km) |
| Hartlepool to Siniscola | 1,096.64 mi (1,764.88 km) |
| Hartlepool to Sinnai | 1,168.03 mi (1,879.77 km) |
| Hartlepool to Siracusa | 1,445.27 mi (2,325.94 km) |
| Hartlepool to Solaro | 773.44 mi (1,244.73 km) |
| Hartlepool to Soliera | 873.06 mi (1,405.05 km) |
