| Agios Athanasios to Navodari | 704.72 mi (1,134.13 km) |
| Agios Athanasios to Negresti-Oas | 1,035.71 mi (1,666.82 km) |
| Agios Athanasios to Nehoiu | 816.73 mi (1,314.39 km) |
| Agios Athanasios to Ocna Mures | 938.84 mi (1,510.92 km) |
| Agios Athanasios to Odobesti | 826.04 mi (1,329.38 km) |
| Agios Athanasios to Odorheiu Secuiesc | 898.17 mi (1,445.47 km) |
| Agios Athanasios to Oltenita | 732.31 mi (1,178.53 km) |
| Agios Athanasios to Onesti | 862.89 mi (1,388.68 km) |
| Agios Athanasios to Oradea | 1,030.97 mi (1,659.19 km) |
| Agios Athanasios to Orastie | 926.94 mi (1,491.76 km) |
| Agios Athanasios to Oravita | 932.31 mi (1,500.42 km) |
| Agios Athanasios to Orsova | 892.59 mi (1,436.49 km) |
| Agios Athanasios to Otelu Rosu | 934.89 mi (1,504.55 km) |
| Agios Athanasios to Otopeni | 774.10 mi (1,245.79 km) |
| Agios Athanasios to Ovidiu | 702.38 mi (1,130.37 km) |
