| Gahanna to Trim | 3,536.37 mi (5,691.23 km) |
| Gahanna to Tuam | 3,456.21 mi (5,562.23 km) |
| Gahanna to Tullamore | 3,514.46 mi (5,655.97 km) |
| Gahanna to Waterford | 3,550.47 mi (5,713.93 km) |
| Gahanna to Wexford | 3,575.71 mi (5,754.55 km) |
| Gahanna to Wicklow | 3,578.47 mi (5,758.99 km) |
| Gahanna to Abano Terme | 4,528.83 mi (7,288.45 km) |
| Gahanna to Abbiategrasso | 4,409.43 mi (7,096.30 km) |
| Gahanna to Acate | 4,974.54 mi (8,005.76 km) |
| Gahanna to Acerra | 4,808.31 mi (7,738.23 km) |
| Gahanna to Aci Castello | 4,981.38 mi (8,016.75 km) |
| Gahanna to Aci Catena | 4,978.98 mi (8,012.89 km) |
| Gahanna to Aci Sant'Antonio | 4,978.26 mi (8,011.73 km) |
| Gahanna to Acireale | 4,979.74 mi (8,014.12 km) |
| Gahanna to Acquaviva delle Fonti | 4,914.61 mi (7,909.31 km) |
