| Balassagyarmat to Octeville | 954.73 mi (1,536.49 km) |
| Balassagyarmat to Oignies | 751.50 mi (1,209.43 km) |
| Balassagyarmat to Oissel | 832.44 mi (1,339.68 km) |
| Balassagyarmat to Olivet | 803.02 mi (1,292.34 km) |
| Balassagyarmat to Ollioules | 732.70 mi (1,179.16 km) |
| Balassagyarmat to Olonne-sur-Mer | 989.59 mi (1,592.58 km) |
| Balassagyarmat to Oloron-Sainte-Marie | 1,015.46 mi (1,634.22 km) |
| Balassagyarmat to Onet Village | 836.57 mi (1,346.34 km) |
| Balassagyarmat to Onnaing | 724.43 mi (1,165.86 km) |
| Balassagyarmat to Orange | 743.90 mi (1,197.20 km) |
| Balassagyarmat to Orchies | 740.60 mi (1,191.88 km) |
| Balassagyarmat to Orleans | 802.29 mi (1,291.16 km) |
| Balassagyarmat to Orly | 774.91 mi (1,247.10 km) |
| Balassagyarmat to Ormesson-sur-Marne | 768.15 mi (1,236.22 km) |
| Balassagyarmat to Orsay | 784.43 mi (1,262.41 km) |
