| Barmstedt to Octeville | 565.73 mi (910.46 km) |
| Barmstedt to Oignies | 367.12 mi (590.82 km) |
| Barmstedt to Oissel | 482.14 mi (775.92 km) |
| Barmstedt to Olivet | 533.35 mi (858.34 km) |
| Barmstedt to Ollioules | 756.73 mi (1,217.84 km) |
| Barmstedt to Olonne-sur-Mer | 713.63 mi (1,148.48 km) |
| Barmstedt to Oloron-Sainte-Marie | 870.34 mi (1,400.67 km) |
| Barmstedt to Onet Village | 726.33 mi (1,168.91 km) |
| Barmstedt to Onnaing | 351.38 mi (565.50 km) |
| Barmstedt to Orange | 702.89 mi (1,131.19 km) |
| Barmstedt to Orchies | 358.63 mi (577.17 km) |
| Barmstedt to Orleans | 530.99 mi (854.54 km) |
| Barmstedt to Orly | 471.61 mi (758.98 km) |
| Barmstedt to Ormesson-sur-Marne | 465.16 mi (748.60 km) |
| Barmstedt to Orsay | 480.04 mi (772.55 km) |
