| Highland to Nasaud | 6,329.12 mi (10,185.74 km) |
| Highland to Navodari | 6,606.86 mi (10,632.71 km) |
| Highland to Negresti-Oas | 6,270.71 mi (10,091.74 km) |
| Highland to Nehoiu | 6,489.96 mi (10,444.57 km) |
| Highland to Ocna Mures | 6,368.53 mi (10,249.16 km) |
| Highland to Odobesti | 6,483.08 mi (10,433.50 km) |
| Highland to Odorheiu Secuiesc | 6,408.32 mi (10,313.20 km) |
| Highland to Oltenita | 6,574.13 mi (10,580.04 km) |
| Highland to Onesti | 6,446.44 mi (10,374.54 km) |
| Highland to Oradea | 6,279.79 mi (10,106.34 km) |
| Highland to Orastie | 6,383.70 mi (10,273.57 km) |
| Highland to Oravita | 6,391.46 mi (10,286.06 km) |
| Highland to Orsova | 6,428.60 mi (10,345.84 km) |
| Highland to Otelu Rosu | 6,381.26 mi (10,269.64 km) |
| Highland to Otopeni | 6,532.46 mi (10,512.98 km) |
