| Honefoss to Octeville | 866.29 mi (1,394.15 km) |
| Honefoss to Oignies | 727.98 mi (1,171.57 km) |
| Honefoss to Oissel | 831.38 mi (1,337.98 km) |
| Honefoss to Olivet | 914.17 mi (1,471.22 km) |
| Honefoss to Ollioules | 1,191.20 mi (1,917.05 km) |
| Honefoss to Olonne-sur-Mer | 1,061.48 mi (1,708.29 km) |
| Honefoss to Oloron-Sainte-Marie | 1,258.49 mi (2,025.34 km) |
| Honefoss to Onet Village | 1,137.51 mi (1,830.65 km) |
| Honefoss to Onnaing | 724.43 mi (1,165.86 km) |
| Honefoss to Orange | 1,130.70 mi (1,819.69 km) |
| Honefoss to Orchies | 723.86 mi (1,164.94 km) |
| Honefoss to Orleans | 911.52 mi (1,466.95 km) |
| Honefoss to Orly | 849.33 mi (1,366.87 km) |
| Honefoss to Ormesson-sur-Marne | 844.47 mi (1,359.04 km) |
| Honefoss to Orsay | 855.36 mi (1,376.57 km) |
