| Knottingley to Sestu | 1,107.55 mi (1,782.42 km) |
| Knottingley to Settimo Torinese | 716.39 mi (1,152.91 km) |
| Knottingley to Seveso | 723.70 mi (1,164.68 km) |
| Knottingley to Sezze | 1,070.94 mi (1,723.51 km) |
| Knottingley to Siano | 1,158.08 mi (1,863.75 km) |
| Knottingley to Siena | 917.31 mi (1,476.27 km) |
| Knottingley to Signa | 884.27 mi (1,423.09 km) |
| Knottingley to Silea | 819.76 mi (1,319.28 km) |
| Knottingley to Silvi Paese | 1,042.60 mi (1,677.90 km) |
| Knottingley to Sinalunga | 934.53 mi (1,503.98 km) |
| Knottingley to Siniscola | 1,040.22 mi (1,674.08 km) |
| Knottingley to Sinnai | 1,109.64 mi (1,785.80 km) |
| Knottingley to Siracusa | 1,394.36 mi (2,244.01 km) |
| Knottingley to Solaro | 723.78 mi (1,164.80 km) |
| Knottingley to Soliera | 825.76 mi (1,328.94 km) |
