| Port Washington to Noventa Vicentina | 4,104.20 mi (6,605.07 km) |
| Port Washington to Novi di Modena | 4,090.13 mi (6,582.43 km) |
| Port Washington to Novi Ligure | 4,003.18 mi (6,442.49 km) |
| Port Washington to Nuoro | 4,176.54 mi (6,721.49 km) |
| Port Washington to Occhiobello | 4,118.34 mi (6,627.82 km) |
| Port Washington to Oderzo | 4,128.20 mi (6,643.70 km) |
| Port Washington to Oggiono | 3,994.73 mi (6,428.90 km) |
| Port Washington to Olbia | 4,163.25 mi (6,700.10 km) |
| Port Washington to Oleggio | 3,969.81 mi (6,388.79 km) |
| Port Washington to Olgiate Comasco | 3,978.33 mi (6,402.50 km) |
| Port Washington to Olgiate Olona | 3,979.50 mi (6,404.38 km) |
| Port Washington to Omegna | 3,951.35 mi (6,359.08 km) |
| Port Washington to Opera | 4,001.79 mi (6,440.25 km) |
| Port Washington to Oppeano | 4,088.73 mi (6,580.17 km) |
| Port Washington to Orbassano | 3,941.00 mi (6,342.43 km) |
