| Hundested to Oignies | 526.97 mi (848.08 km) |
| Hundested to Oissel | 641.16 mi (1,031.84 km) |
| Hundested to Olivet | 700.85 mi (1,127.90 km) |
| Hundested to Ollioules | 925.37 mi (1,489.23 km) |
| Hundested to Olonne-sur-Mer | 875.34 mi (1,408.72 km) |
| Hundested to Oloron-Sainte-Marie | 1,040.60 mi (1,674.69 km) |
| Hundested to Onet Village | 898.37 mi (1,445.78 km) |
| Hundested to Onnaing | 514.43 mi (827.89 km) |
| Hundested to Orange | 873.82 mi (1,406.28 km) |
| Hundested to Orchies | 519.58 mi (836.18 km) |
| Hundested to Orleans | 698.41 mi (1,123.97 km) |
| Hundested to Orly | 637.82 mi (1,026.48 km) |
| Hundested to Ormesson-sur-Marne | 631.66 mi (1,016.56 km) |
| Hundested to Orsay | 645.80 mi (1,039.31 km) |
| Hundested to Orthez | 1,026.57 mi (1,652.10 km) |
