| Isernia to Celbridge | 1,256.41 mi (2,021.99 km) |
| Isernia to Clondalkin | 1,250.71 mi (2,012.83 km) |
| Isernia to Clonmel | 1,265.54 mi (2,036.70 km) |
| Isernia to Cobh | 1,272.60 mi (2,048.05 km) |
| Isernia to Cork | 1,280.65 mi (2,061.00 km) |
| Isernia to Donegal | 1,358.76 mi (2,186.72 km) |
| Isernia to Douglas | 1,278.72 mi (2,057.90 km) |
| Isernia to Drogheda | 1,263.92 mi (2,034.08 km) |
| Isernia to Dublin | 1,247.11 mi (2,007.03 km) |
| Isernia to Dun Dealgan | 1,276.88 mi (2,054.95 km) |
| Isernia to Ennis | 1,328.42 mi (2,137.89 km) |
| Isernia to Enniscorthy | 1,227.93 mi (1,976.16 km) |
| Isernia to Finglas | 1,249.71 mi (2,011.22 km) |
| Isernia to Galway | 1,344.27 mi (2,163.39 km) |
| Isernia to Glanmire | 1,278.51 mi (2,057.56 km) |
