| Leavenworth to Noventa Vicentina | 5,028.33 mi (8,092.32 km) |
| Leavenworth to Novi di Modena | 5,021.25 mi (8,080.92 km) |
| Leavenworth to Novi Ligure | 4,945.51 mi (7,959.03 km) |
| Leavenworth to Nuoro | 5,157.67 mi (8,300.46 km) |
| Leavenworth to Occhiobello | 5,045.91 mi (8,120.60 km) |
| Leavenworth to Oderzo | 5,042.54 mi (8,115.19 km) |
| Leavenworth to Oggiono | 4,924.03 mi (7,924.46 km) |
| Leavenworth to Olbia | 5,138.41 mi (8,269.47 km) |
| Leavenworth to Oleggio | 4,904.29 mi (7,892.69 km) |
| Leavenworth to Olgiate Comasco | 4,909.39 mi (7,900.90 km) |
| Leavenworth to Olgiate Olona | 4,912.49 mi (7,905.90 km) |
| Leavenworth to Omegna | 4,883.98 mi (7,860.00 km) |
| Leavenworth to Opera | 4,935.82 mi (7,943.44 km) |
| Leavenworth to Oppeano | 5,014.37 mi (8,069.86 km) |
| Leavenworth to Orbassano | 4,886.47 mi (7,864.01 km) |
