| Grimmen to Octeville | 697.08 mi (1,121.85 km) |
| Grimmen to Oignies | 492.90 mi (793.24 km) |
| Grimmen to Oissel | 607.16 mi (977.12 km) |
| Grimmen to Olivet | 647.54 mi (1,042.11 km) |
| Grimmen to Ollioules | 825.12 mi (1,327.91 km) |
| Grimmen to Olonne-sur-Mer | 834.37 mi (1,342.79 km) |
| Grimmen to Oloron-Sainte-Marie | 974.76 mi (1,568.72 km) |
| Grimmen to Onet Village | 819.99 mi (1,319.65 km) |
| Grimmen to Onnaing | 474.50 mi (763.63 km) |
| Grimmen to Orange | 781.88 mi (1,258.32 km) |
| Grimmen to Orchies | 483.63 mi (778.33 km) |
| Grimmen to Orleans | 645.35 mi (1,038.59 km) |
| Grimmen to Orly | 588.78 mi (947.55 km) |
| Grimmen to Ormesson-sur-Marne | 581.96 mi (936.58 km) |
| Grimmen to Orsay | 597.79 mi (962.05 km) |
