| Alcobaca to Navodari | 1,942.48 mi (3,126.12 km) |
| Alcobaca to Negresti-Oas | 1,702.36 mi (2,739.68 km) |
| Alcobaca to Nehoiu | 1,827.27 mi (2,940.71 km) |
| Alcobaca to Ocna Mures | 1,712.28 mi (2,755.65 km) |
| Alcobaca to Odobesti | 1,864.21 mi (3,000.16 km) |
| Alcobaca to Odorheiu Secuiesc | 1,780.60 mi (2,865.59 km) |
| Alcobaca to Oltenita | 1,845.60 mi (2,970.21 km) |
| Alcobaca to Onesti | 1,850.47 mi (2,978.05 km) |
| Alcobaca to Oradea | 1,625.57 mi (2,616.11 km) |
| Alcobaca to Orastie | 1,678.29 mi (2,700.94 km) |
| Alcobaca to Oravita | 1,601.91 mi (2,578.02 km) |
| Alcobaca to Orsova | 1,635.85 mi (2,632.65 km) |
| Alcobaca to Otelu Rosu | 1,636.10 mi (2,633.05 km) |
| Alcobaca to Otopeni | 1,816.45 mi (2,923.30 km) |
| Alcobaca to Ovidiu | 1,940.07 mi (3,122.24 km) |
