| Frankfurt to Octeville | 460.66 mi (741.37 km) |
| Frankfurt to Oignies | 252.27 mi (406.00 km) |
| Frankfurt to Oissel | 343.02 mi (552.04 km) |
| Frankfurt to Olivet | 344.27 mi (554.05 km) |
| Frankfurt to Ollioules | 500.00 mi (804.67 km) |
| Frankfurt to Olonne-sur-Mer | 539.44 mi (868.14 km) |
| Frankfurt to Oloron-Sainte-Marie | 648.99 mi (1,044.45 km) |
| Frankfurt to Onet Village | 488.66 mi (786.43 km) |
| Frankfurt to Onnaing | 225.39 mi (362.74 km) |
| Frankfurt to Orange | 450.86 mi (725.60 km) |
| Frankfurt to Orchies | 241.30 mi (388.34 km) |
| Frankfurt to Orleans | 342.63 mi (551.41 km) |
| Frankfurt to Orly | 297.89 mi (479.40 km) |
| Frankfurt to Ormesson-sur-Marne | 290.67 mi (467.78 km) |
| Frankfurt to Orsay | 307.76 mi (495.29 km) |
