| Gelsenkirchen to Settimo Torinese | 442.11 mi (711.50 km) |
| Gelsenkirchen to Seveso | 416.31 mi (669.99 km) |
| Gelsenkirchen to Sezze | 747.37 mi (1,202.78 km) |
| Gelsenkirchen to Siano | 823.63 mi (1,325.51 km) |
| Gelsenkirchen to Siena | 599.74 mi (965.19 km) |
| Gelsenkirchen to Signa | 565.61 mi (910.26 km) |
| Gelsenkirchen to Silea | 469.25 mi (755.19 km) |
| Gelsenkirchen to Silvi Paese | 701.39 mi (1,128.77 km) |
| Gelsenkirchen to Sinalunga | 612.78 mi (986.17 km) |
| Gelsenkirchen to Siniscola | 766.10 mi (1,232.92 km) |
| Gelsenkirchen to Sinnai | 849.96 mi (1,367.88 km) |
| Gelsenkirchen to Siracusa | 1,075.60 mi (1,731.01 km) |
| Gelsenkirchen to Solaro | 417.69 mi (672.21 km) |
| Gelsenkirchen to Soliera | 500.29 mi (805.14 km) |
| Gelsenkirchen to Solofra | 824.95 mi (1,327.63 km) |
