| Annonay to Navodari | 1,171.61 mi (1,885.53 km) |
| Annonay to Negresti-Oas | 906.96 mi (1,459.62 km) |
| Annonay to Nehoiu | 1,048.34 mi (1,687.13 km) |
| Annonay to Ocna Mures | 925.21 mi (1,488.98 km) |
| Annonay to Odobesti | 1,081.59 mi (1,740.65 km) |
| Annonay to Odorheiu Secuiesc | 994.13 mi (1,599.90 km) |
| Annonay to Oltenita | 1,079.05 mi (1,736.56 km) |
| Annonay to Onesti | 1,064.30 mi (1,712.82 km) |
| Annonay to Oradea | 833.50 mi (1,341.39 km) |
| Annonay to Orastie | 895.59 mi (1,441.32 km) |
| Annonay to Oravita | 827.81 mi (1,332.23 km) |
| Annonay to Orsova | 865.24 mi (1,392.47 km) |
| Annonay to Otelu Rosu | 856.62 mi (1,378.60 km) |
| Annonay to Otopeni | 1,045.41 mi (1,682.43 km) |
| Annonay to Ovidiu | 1,169.74 mi (1,882.52 km) |
