| Gahanna to Nowy Dwor Mazowiecki | 4,588.69 mi (7,384.79 km) |
| Gahanna to Nowy Sacz | 4,702.55 mi (7,568.03 km) |
| Gahanna to Nowy Targ | 4,684.47 mi (7,538.92 km) |
| Gahanna to Nowy Tomysl | 4,433.44 mi (7,134.94 km) |
| Gahanna to Nysa | 4,547.06 mi (7,317.78 km) |
| Gahanna to Oborniki | 4,445.03 mi (7,153.59 km) |
| Gahanna to Oborniki Slaskie | 4,499.48 mi (7,241.21 km) |
| Gahanna to Olawa | 4,527.89 mi (7,286.94 km) |
| Gahanna to Olecko | 4,583.43 mi (7,376.32 km) |
| Gahanna to Olesnica | 4,520.57 mi (7,275.15 km) |
| Gahanna to Olesno | 4,570.30 mi (7,355.18 km) |
| Gahanna to Olkusz | 4,635.11 mi (7,459.50 km) |
| Gahanna to Olsztyn | 4,526.89 mi (7,285.32 km) |
| Gahanna to Opalenica | 4,443.72 mi (7,151.47 km) |
| Gahanna to Opoczno | 4,616.44 mi (7,429.44 km) |
