| Northbrook to Noventa Vicentina | 4,624.97 mi (7,443.16 km) |
| Northbrook to Novi di Modena | 4,616.70 mi (7,429.86 km) |
| Northbrook to Novi Ligure | 4,538.99 mi (7,304.80 km) |
| Northbrook to Nuoro | 4,745.85 mi (7,637.71 km) |
| Northbrook to Occhiobello | 4,642.00 mi (7,470.57 km) |
| Northbrook to Oderzo | 4,640.90 mi (7,468.80 km) |
| Northbrook to Oggiono | 4,519.57 mi (7,273.55 km) |
| Northbrook to Olbia | 4,727.37 mi (7,607.96 km) |
| Northbrook to Oleggio | 4,498.94 mi (7,240.34 km) |
| Northbrook to Olgiate Comasco | 4,504.61 mi (7,249.46 km) |
| Northbrook to Olgiate Olona | 4,507.40 mi (7,253.96 km) |
| Northbrook to Omegna | 4,478.88 mi (7,208.07 km) |
| Northbrook to Opera | 4,530.61 mi (7,291.31 km) |
| Northbrook to Oppeano | 4,610.72 mi (7,420.24 km) |
| Northbrook to Orbassano | 4,479.34 mi (7,208.81 km) |
