| Boscombe to Sestu | 950.85 mi (1,530.24 km) |
| Boscombe to Settimo Torinese | 588.28 mi (946.75 km) |
| Boscombe to Seveso | 614.63 mi (989.16 km) |
| Boscombe to Sezze | 953.88 mi (1,535.13 km) |
| Boscombe to Siano | 1,047.04 mi (1,685.05 km) |
| Boscombe to Siena | 802.18 mi (1,290.99 km) |
| Boscombe to Signa | 771.64 mi (1,241.83 km) |
| Boscombe to Silea | 737.72 mi (1,187.25 km) |
| Boscombe to Silvi Paese | 941.21 mi (1,514.73 km) |
| Boscombe to Sinalunga | 821.60 mi (1,322.23 km) |
| Boscombe to Siniscola | 893.56 mi (1,438.04 km) |
| Boscombe to Sinnai | 953.67 mi (1,534.78 km) |
| Boscombe to Siracusa | 1,265.60 mi (2,036.79 km) |
| Boscombe to Solaro | 613.85 mi (987.90 km) |
| Boscombe to Soliera | 721.60 mi (1,161.31 km) |
