| Balen to Oignies | 105.75 mi (170.18 km) |
| Balen to Oissel | 219.14 mi (352.67 km) |
| Balen to Olivet | 270.72 mi (435.68 km) |
| Balen to Ollioules | 555.59 mi (894.14 km) |
| Balen to Olonne-sur-Mer | 448.43 mi (721.68 km) |
| Balen to Oloron-Sainte-Marie | 613.15 mi (986.77 km) |
| Balen to Onet Village | 484.60 mi (779.88 km) |
| Balen to Onnaing | 86.56 mi (139.31 km) |
| Balen to Orange | 485.87 mi (781.94 km) |
| Balen to Orchies | 95.94 mi (154.41 km) |
| Balen to Orleans | 268.24 mi (431.69 km) |
| Balen to Orly | 207.44 mi (333.84 km) |
| Balen to Ormesson-sur-Marne | 201.29 mi (323.94 km) |
| Balen to Orsay | 215.49 mi (346.80 km) |
| Balen to Orthez | 598.16 mi (962.65 km) |
