| Gahanna to Oschatz | 4,361.23 mi (7,018.72 km) |
| Gahanna to Oschersleben | 4,267.52 mi (6,867.90 km) |
| Gahanna to Osnabruck | 4,139.79 mi (6,662.35 km) |
| Gahanna to Ostbevern | 4,140.00 mi (6,662.69 km) |
| Gahanna to Osterburg | 4,260.02 mi (6,855.84 km) |
| Gahanna to Ostercappeln | 4,144.49 mi (6,669.92 km) |
| Gahanna to Osterhofen | 4,452.78 mi (7,166.06 km) |
| Gahanna to Osterholz-Scharmbeck | 4,137.51 mi (6,658.68 km) |
| Gahanna to Osternienburg | 4,303.29 mi (6,925.48 km) |
| Gahanna to Osterode | 4,240.37 mi (6,824.22 km) |
| Gahanna to Osterwieck | 4,249.53 mi (6,838.96 km) |
| Gahanna to Ostfildern | 4,304.82 mi (6,927.94 km) |
| Gahanna to Osthofen | 4,235.35 mi (6,816.13 km) |
| Gahanna to Ostrhauderfehn | 4,097.18 mi (6,593.77 km) |
| Gahanna to Ostringen | 4,266.87 mi (6,866.86 km) |
