| Isernia to Szamotuly | 767.68 mi (1,235.46 km) |
| Isernia to Szczecin | 817.48 mi (1,315.60 km) |
| Isernia to Szczecinek | 844.55 mi (1,359.17 km) |
| Isernia to Szczytno | 883.38 mi (1,421.66 km) |
| Isernia to Szprotawa | 691.14 mi (1,112.29 km) |
| Isernia to Sztum | 879.28 mi (1,415.06 km) |
| Isernia to Szubin | 805.33 mi (1,296.06 km) |
| Isernia to Szydlowiec | 735.41 mi (1,183.54 km) |
| Isernia to Tarnobrzeg | 714.86 mi (1,150.45 km) |
| Isernia to Tarnow | 665.15 mi (1,070.45 km) |
| Isernia to Tarnowskie Gory | 649.51 mi (1,045.29 km) |
| Isernia to Tczew | 887.65 mi (1,428.53 km) |
| Isernia to Tomaszow Lubelski | 752.09 mi (1,210.38 km) |
| Isernia to Tomaszow Mazowiecki | 737.34 mi (1,186.64 km) |
| Isernia to Torun | 814.75 mi (1,311.22 km) |
