| Cities | Distance |
| Isernia to Holsbeek | 785.33 mi (1,263.86 km) |
| Isernia to Hooglede | 836.79 mi (1,346.68 km) |
| Isernia to Hoogstraten | 811.67 mi (1,306.26 km) |
| Isernia to Houthulst | 840.75 mi (1,353.05 km) |
| Isernia to Huldenberg | 783.23 mi (1,260.48 km) |
| Isernia to Hulshout | 793.90 mi (1,277.66 km) |
| Isernia to Huy | 750.99 mi (1,208.60 km) |
| Isernia to Ichtegem | 845.34 mi (1,360.44 km) |
| Isernia to Ieper | 836.44 mi (1,346.11 km) |
| Isernia to Ingelmunster | 828.78 mi (1,333.79 km) |
| Isernia to Izegem | 829.74 mi (1,335.34 km) |
| Isernia to Jabbeke | 846.57 mi (1,362.42 km) |
| Isernia to Jalhay | 733.88 mi (1,181.07 km) |
| Isernia to Jette | 794.65 mi (1,278.86 km) |
| Isernia to Jodoigne | 771.82 mi (1,242.12 km) |