| Baarn to Octeville | 350.54 mi (564.14 km) |
| Baarn to Oignies | 156.01 mi (251.07 km) |
| Baarn to Oissel | 270.08 mi (434.66 km) |
| Baarn to Olivet | 336.04 mi (540.80 km) |
| Baarn to Ollioules | 627.72 mi (1,010.22 km) |
| Baarn to Olonne-sur-Mer | 504.30 mi (811.59 km) |
| Baarn to Oloron-Sainte-Marie | 680.34 mi (1,094.91 km) |
| Baarn to Onet Village | 556.27 mi (895.23 km) |
| Baarn to Onnaing | 145.82 mi (234.68 km) |
| Baarn to Orange | 558.59 mi (898.96 km) |
| Baarn to Orchies | 149.09 mi (239.93 km) |
| Baarn to Orleans | 333.46 mi (536.65 km) |
| Baarn to Orly | 271.47 mi (436.89 km) |
| Baarn to Ormesson-sur-Marne | 265.94 mi (427.98 km) |
| Baarn to Orsay | 278.59 mi (448.35 km) |
