| Isernia to Trim | 1,273.16 mi (2,048.95 km) |
| Isernia to Tuam | 1,344.92 mi (2,164.44 km) |
| Isernia to Tullamore | 1,287.95 mi (2,072.75 km) |
| Isernia to Waterford | 1,240.62 mi (1,996.59 km) |
| Isernia to Wexford | 1,218.25 mi (1,960.59 km) |
| Isernia to Wicklow | 1,225.49 mi (1,972.24 km) |
| Isernia to Abano Terme | 287.16 mi (462.15 km) |
| Isernia to Abbiategrasso | 374.01 mi (601.91 km) |
| Isernia to Acate | 315.97 mi (508.51 km) |
| Isernia to Acerra | 45.58 mi (73.36 km) |
| Isernia to Aci Castello | 283.76 mi (456.67 km) |
| Isernia to Aci Catena | 280.62 mi (451.62 km) |
| Isernia to Aci Sant'Antonio | 280.47 mi (451.38 km) |
| Isernia to Acireale | 279.79 mi (450.28 km) |
| Isernia to Acquaviva delle Fonti | 144.02 mi (231.78 km) |
