| Montclair to Noventa Vicentina | 6,101.65 mi (9,819.66 km) |
| Montclair to Novi di Modena | 6,102.35 mi (9,820.79 km) |
| Montclair to Novi Ligure | 6,041.21 mi (9,722.39 km) |
| Montclair to Nuoro | 6,289.28 mi (10,121.62 km) |
| Montclair to Occhiobello | 6,122.32 mi (9,852.92 km) |
| Montclair to Oderzo | 6,104.77 mi (9,824.68 km) |
| Montclair to Oggiono | 6,006.56 mi (9,666.62 km) |
| Montclair to Olbia | 6,263.93 mi (10,080.83 km) |
| Montclair to Oleggio | 5,993.00 mi (9,644.81 km) |
| Montclair to Olgiate Comasco | 5,994.30 mi (9,646.89 km) |
| Montclair to Olgiate Olona | 5,999.35 mi (9,655.02 km) |
| Montclair to Omegna | 5,971.42 mi (9,610.07 km) |
| Montclair to Opera | 6,022.99 mi (9,693.06 km) |
| Montclair to Oppeano | 6,089.82 mi (9,800.61 km) |
| Montclair to Orbassano | 5,987.43 mi (9,635.83 km) |
