| Aver-o-Mar to Navodari | 1,887.41 mi (3,037.49 km) |
| Aver-o-Mar to Negresti-Oas | 1,631.40 mi (2,625.48 km) |
| Aver-o-Mar to Nehoiu | 1,768.08 mi (2,845.45 km) |
| Aver-o-Mar to Ocna Mures | 1,648.27 mi (2,652.64 km) |
| Aver-o-Mar to Odobesti | 1,803.10 mi (2,901.80 km) |
| Aver-o-Mar to Odorheiu Secuiesc | 1,717.06 mi (2,763.35 km) |
| Aver-o-Mar to Oltenita | 1,792.12 mi (2,884.14 km) |
| Aver-o-Mar to Onesti | 1,787.21 mi (2,876.24 km) |
| Aver-o-Mar to Oradea | 1,557.89 mi (2,507.19 km) |
| Aver-o-Mar to Orastie | 1,616.80 mi (2,601.99 km) |
| Aver-o-Mar to Oravita | 1,544.38 mi (2,485.44 km) |
| Aver-o-Mar to Orsova | 1,579.95 mi (2,542.68 km) |
| Aver-o-Mar to Otelu Rosu | 1,576.18 mi (2,536.62 km) |
| Aver-o-Mar to Otopeni | 1,760.96 mi (2,834.00 km) |
| Aver-o-Mar to Ovidiu | 1,885.23 mi (3,033.99 km) |
