| Isernia to Srem | 736.13 mi (1,184.68 km) |
| Isernia to Sroda Slaska | 668.95 mi (1,076.57 km) |
| Isernia to Sroda Wielkopolska | 748.23 mi (1,204.16 km) |
| Isernia to Stalowa Wola | 722.74 mi (1,163.14 km) |
| Isernia to Starachowice | 728.75 mi (1,172.80 km) |
| Isernia to Stargard Szczecinski | 811.37 mi (1,305.77 km) |
| Isernia to Starogard Gdanski | 876.79 mi (1,411.06 km) |
| Isernia to Stary Sacz | 630.44 mi (1,014.59 km) |
| Isernia to Staszow | 701.83 mi (1,129.48 km) |
| Isernia to Strzegom | 654.29 mi (1,052.97 km) |
| Isernia to Strzelce Krajenskie | 781.20 mi (1,257.21 km) |
| Isernia to Strzelce Opolskie | 644.34 mi (1,036.96 km) |
| Isernia to Strzelin | 648.43 mi (1,043.55 km) |
| Isernia to Strzyzow | 677.19 mi (1,089.83 km) |
| Isernia to Sucha Beskidzka | 618.32 mi (995.09 km) |
