| Hopatcong to Noventa Vicentina | 4,140.81 mi (6,663.99 km) |
| Hopatcong to Novi di Modena | 4,127.16 mi (6,642.01 km) |
| Hopatcong to Novi Ligure | 4,040.82 mi (6,503.07 km) |
| Hopatcong to Nuoro | 4,216.76 mi (6,786.21 km) |
| Hopatcong to Occhiobello | 4,155.17 mi (6,687.10 km) |
| Hopatcong to Oderzo | 4,164.23 mi (6,701.68 km) |
| Hopatcong to Oggiono | 4,031.56 mi (6,488.16 km) |
| Hopatcong to Olbia | 4,203.08 mi (6,764.20 km) |
| Hopatcong to Oleggio | 4,006.93 mi (6,448.53 km) |
| Hopatcong to Olgiate Comasco | 4,015.25 mi (6,461.91 km) |
| Hopatcong to Olgiate Olona | 4,016.54 mi (6,463.99 km) |
| Hopatcong to Omegna | 3,988.34 mi (6,418.61 km) |
| Hopatcong to Opera | 4,038.91 mi (6,500.00 km) |
| Hopatcong to Oppeano | 4,125.42 mi (6,639.21 km) |
| Hopatcong to Orbassano | 3,978.79 mi (6,403.24 km) |
