| Northenden to Orbetello | 978.14 mi (1,574.16 km) |
| Northenden to Oria | 1,286.14 mi (2,069.84 km) |
| Northenden to Oristano | 1,062.65 mi (1,710.17 km) |
| Northenden to Orta Nova | 1,178.26 mi (1,896.23 km) |
| Northenden to Orte | 1,011.80 mi (1,628.33 km) |
| Northenden to Ortona | 1,081.05 mi (1,739.77 km) |
| Northenden to Orvieto | 989.12 mi (1,591.84 km) |
| Northenden to Orzinuovi | 776.80 mi (1,250.14 km) |
| Northenden to Osimo | 991.25 mi (1,595.27 km) |
| Northenden to Ospitaletto | 773.07 mi (1,244.14 km) |
| Northenden to Ostuni | 1,272.05 mi (2,047.17 km) |
| Northenden to Ottaviano | 1,165.43 mi (1,875.57 km) |
| Northenden to Ovada | 779.96 mi (1,255.23 km) |
| Northenden to Ozieri | 1,029.97 mi (1,657.57 km) |
| Northenden to Paceco | 1,277.55 mi (2,056.02 km) |
