| Altus to Nasaud | 5,789.67 mi (9,317.58 km) |
| Altus to Navodari | 6,077.26 mi (9,780.41 km) |
| Altus to Negresti-Oas | 5,728.75 mi (9,219.53 km) |
| Altus to Nehoiu | 5,949.07 mi (9,574.10 km) |
| Altus to Ocna Mures | 5,816.50 mi (9,360.75 km) |
| Altus to Odobesti | 5,952.36 mi (9,579.40 km) |
| Altus to Odorheiu Secuiesc | 5,867.49 mi (9,442.81 km) |
| Altus to Oltenita | 6,025.03 mi (9,696.35 km) |
| Altus to Onesti | 5,917.49 mi (9,523.28 km) |
| Altus to Oradea | 5,718.54 mi (9,203.10 km) |
| Altus to Orastie | 5,821.38 mi (9,368.61 km) |
| Altus to Oravita | 5,809.54 mi (9,349.54 km) |
| Altus to Orsova | 5,849.52 mi (9,413.89 km) |
| Altus to Otelu Rosu | 5,809.07 mi (9,348.80 km) |
| Altus to Otopeni | 5,982.50 mi (9,627.90 km) |
