| Gahanna to Glencullen | 3,565.96 mi (5,738.86 km) |
| Gahanna to Gorey | 3,574.78 mi (5,753.06 km) |
| Gahanna to Greystones | 3,573.33 mi (5,750.71 km) |
| Gahanna to Kilkenny | 3,537.02 mi (5,692.29 km) |
| Gahanna to Killarney | 3,458.49 mi (5,565.90 km) |
| Gahanna to Leixlip | 3,552.26 mi (5,716.81 km) |
| Gahanna to Letterkenny | 3,472.78 mi (5,588.90 km) |
| Gahanna to Lifford | 3,484.05 mi (5,607.04 km) |
| Gahanna to Limerick | 3,481.96 mi (5,603.68 km) |
| Gahanna to Longford | 3,493.41 mi (5,622.09 km) |
| Gahanna to Lucan | 3,554.02 mi (5,719.64 km) |
| Gahanna to Maigh Nuad | 3,547.86 mi (5,709.72 km) |
| Gahanna to Midleton | 3,515.54 mi (5,657.71 km) |
| Gahanna to Monaghan | 3,515.30 mi (5,657.33 km) |
| Gahanna to Mullingar | 3,515.63 mi (5,657.86 km) |
