| Irthlingborough to Sentrupert | 831.62 mi (1,338.36 km) |
| Irthlingborough to Sevnica | 838.45 mi (1,349.35 km) |
| Irthlingborough to Sezana | 797.75 mi (1,283.86 km) |
| Irthlingborough to Skocjan | 842.25 mi (1,355.47 km) |
| Irthlingborough to Skofja Loka | 793.73 mi (1,277.38 km) |
| Irthlingborough to Skofljica | 811.85 mi (1,306.55 km) |
| Irthlingborough to Slovenj Gradec | 809.33 mi (1,302.49 km) |
| Irthlingborough to Slovenska Bistrica | 833.33 mi (1,341.12 km) |
| Irthlingborough to Slovenske Konjice | 829.53 mi (1,335.01 km) |
| Irthlingborough to Smarje | 837.67 mi (1,348.10 km) |
| Irthlingborough to Smarjeske Toplice | 841.47 mi (1,354.21 km) |
| Irthlingborough to Smartno | 819.54 mi (1,318.92 km) |
| Irthlingborough to Smartno | 814.80 mi (1,311.29 km) |
| Irthlingborough to Sodrazica | 823.67 mi (1,325.57 km) |
| Irthlingborough to Solcava | 798.01 mi (1,284.27 km) |
