| Gahanna to Kopavogur | 2,915.10 mi (4,691.41 km) |
| Gahanna to Reykjavik | 2,914.39 mi (4,690.25 km) |
| Gahanna to Saudharkrokur | 2,990.04 mi (4,812.01 km) |
| Gahanna to Selfoss | 2,941.69 mi (4,734.19 km) |
| Gahanna to An Cabhan | 3,505.33 mi (5,641.28 km) |
| Gahanna to Arklow | 3,577.27 mi (5,757.05 km) |
| Gahanna to Ashtown | 3,558.13 mi (5,726.25 km) |
| Gahanna to Athy | 3,540.45 mi (5,697.80 km) |
| Gahanna to Baile Atha Luain | 3,493.83 mi (5,622.78 km) |
| Gahanna to Ballincollig | 3,499.30 mi (5,631.58 km) |
| Gahanna to Blackrock | 3,565.78 mi (5,738.57 km) |
| Gahanna to Carlow | 3,546.06 mi (5,706.83 km) |
| Gahanna to Carrick on Shannon | 3,477.61 mi (5,596.68 km) |
| Gahanna to Carrigaline | 3,508.88 mi (5,647.00 km) |
| Gahanna to Castlebar | 3,432.06 mi (5,523.37 km) |
