| Irthlingborough to Sosnowiec | 861.79 mi (1,386.92 km) |
| Irthlingborough to Srem | 744.76 mi (1,198.58 km) |
| Irthlingborough to Sroda Slaska | 738.52 mi (1,188.53 km) |
| Irthlingborough to Sroda Wielkopolska | 754.66 mi (1,214.51 km) |
| Irthlingborough to Stalowa Wola | 979.41 mi (1,576.21 km) |
| Irthlingborough to Starachowice | 929.33 mi (1,495.61 km) |
| Irthlingborough to Stargard Szczecinski | 656.28 mi (1,056.18 km) |
| Irthlingborough to Starogard Gdanski | 799.05 mi (1,285.94 km) |
| Irthlingborough to Stary Sacz | 940.97 mi (1,514.35 km) |
| Irthlingborough to Staszow | 942.18 mi (1,516.29 km) |
| Irthlingborough to Strzegom | 731.48 mi (1,177.20 km) |
| Irthlingborough to Strzelce Krajenskie | 677.21 mi (1,089.87 km) |
| Irthlingborough to Strzelce Opolskie | 821.63 mi (1,322.29 km) |
| Irthlingborough to Strzelin | 765.04 mi (1,231.21 km) |
| Irthlingborough to Strzyzow | 982.11 mi (1,580.55 km) |
