| Belley to Navodari | 1,119.79 mi (1,802.13 km) |
| Belley to Negresti-Oas | 849.27 mi (1,366.76 km) |
| Belley to Nehoiu | 995.07 mi (1,601.41 km) |
| Belley to Ocna Mures | 870.18 mi (1,400.42 km) |
| Belley to Odobesti | 1,027.39 mi (1,653.43 km) |
| Belley to Odorheiu Secuiesc | 939.13 mi (1,511.39 km) |
| Belley to Oltenita | 1,028.35 mi (1,654.97 km) |
| Belley to Onesti | 1,009.26 mi (1,624.24 km) |
| Belley to Oradea | 777.13 mi (1,250.67 km) |
| Belley to Orastie | 841.80 mi (1,354.74 km) |
| Belley to Oravita | 776.38 mi (1,249.46 km) |
| Belley to Orsova | 814.47 mi (1,310.76 km) |
| Belley to Otelu Rosu | 803.76 mi (1,293.53 km) |
| Belley to Otopeni | 993.89 mi (1,599.51 km) |
| Belley to Ovidiu | 1,118.03 mi (1,799.30 km) |
