| Leavenworth to Nasaud | 5,386.76 mi (8,669.16 km) |
| Leavenworth to Navodari | 5,674.38 mi (9,132.03 km) |
| Leavenworth to Negresti-Oas | 5,325.83 mi (8,571.09 km) |
| Leavenworth to Nehoiu | 5,546.12 mi (8,925.62 km) |
| Leavenworth to Ocna Mures | 5,413.53 mi (8,712.24 km) |
| Leavenworth to Odobesti | 5,549.50 mi (8,931.05 km) |
| Leavenworth to Odorheiu Secuiesc | 5,464.56 mi (8,794.35 km) |
| Leavenworth to Oltenita | 5,622.06 mi (9,047.83 km) |
| Leavenworth to Onesti | 5,514.65 mi (8,874.98 km) |
| Leavenworth to Oradea | 5,315.58 mi (8,554.60 km) |
| Leavenworth to Orastie | 5,418.44 mi (8,720.13 km) |
| Leavenworth to Oravita | 5,406.80 mi (8,701.41 km) |
| Leavenworth to Orsova | 5,446.75 mi (8,765.70 km) |
| Leavenworth to Otelu Rosu | 5,406.20 mi (8,700.44 km) |
| Leavenworth to Otopeni | 5,579.53 mi (8,979.38 km) |
