| Isernia to Glencullen | 1,240.89 mi (1,997.02 km) |
| Isernia to Gorey | 1,224.01 mi (1,969.86 km) |
| Isernia to Greystones | 1,232.94 mi (1,984.22 km) |
| Isernia to Kilkenny | 1,258.14 mi (2,024.78 km) |
| Isernia to Killarney | 1,325.49 mi (2,133.17 km) |
| Isernia to Leixlip | 1,255.59 mi (2,020.68 km) |
| Isernia to Letterkenny | 1,357.15 mi (2,184.12 km) |
| Isernia to Lifford | 1,344.70 mi (2,164.08 km) |
| Isernia to Limerick | 1,309.49 mi (2,107.41 km) |
| Isernia to Longford | 1,314.62 mi (2,115.68 km) |
| Isernia to Lucan | 1,253.85 mi (2,017.87 km) |
| Isernia to Maigh Nuad | 1,259.82 mi (2,027.49 km) |
| Isernia to Midleton | 1,269.80 mi (2,043.55 km) |
| Isernia to Monaghan | 1,305.10 mi (2,100.35 km) |
| Isernia to Mullingar | 1,291.13 mi (2,077.87 km) |
