| Brunswick to Orbetello | 4,521.89 mi (7,277.27 km) |
| Brunswick to Oria | 4,869.09 mi (7,836.05 km) |
| Brunswick to Oristano | 4,507.65 mi (7,254.36 km) |
| Brunswick to Orta Nova | 4,754.55 mi (7,651.70 km) |
| Brunswick to Orte | 4,570.29 mi (7,355.17 km) |
| Brunswick to Ortona | 4,658.42 mi (7,496.99 km) |
| Brunswick to Orvieto | 4,548.59 mi (7,320.25 km) |
| Brunswick to Orzinuovi | 4,356.00 mi (7,010.30 km) |
| Brunswick to Osimo | 4,575.16 mi (7,363.01 km) |
| Brunswick to Ospitaletto | 4,355.95 mi (7,010.22 km) |
| Brunswick to Ostuni | 4,857.09 mi (7,816.73 km) |
| Brunswick to Ottaviano | 4,722.89 mi (7,600.75 km) |
| Brunswick to Ovada | 4,331.05 mi (6,970.14 km) |
| Brunswick to Ozieri | 4,499.35 mi (7,241.00 km) |
| Brunswick to Paceco | 4,757.97 mi (7,657.21 km) |
