| Gnarrenburg to Octeville | 525.71 mi (846.04 km) |
| Gnarrenburg to Oignies | 325.74 mi (524.23 km) |
| Gnarrenburg to Oissel | 440.74 mi (709.30 km) |
| Gnarrenburg to Olivet | 492.02 mi (791.83 km) |
| Gnarrenburg to Ollioules | 722.56 mi (1,162.85 km) |
| Gnarrenburg to Olonne-sur-Mer | 672.07 mi (1,081.60 km) |
| Gnarrenburg to Oloron-Sainte-Marie | 829.72 mi (1,335.31 km) |
| Gnarrenburg to Onet Village | 687.34 mi (1,106.17 km) |
| Gnarrenburg to Onnaing | 309.83 mi (498.63 km) |
| Gnarrenburg to Orange | 666.64 mi (1,072.85 km) |
| Gnarrenburg to Orchies | 317.18 mi (510.45 km) |
| Gnarrenburg to Orleans | 489.64 mi (788.01 km) |
| Gnarrenburg to Orly | 430.13 mi (692.23 km) |
| Gnarrenburg to Ormesson-sur-Marne | 423.70 mi (681.89 km) |
| Gnarrenburg to Orsay | 438.53 mi (705.75 km) |
