| Brainerd to Oerlinghausen | 4,257.65 mi (6,852.02 km) |
| Brainerd to Oestrich-Winkel | 4,323.47 mi (6,957.96 km) |
| Brainerd to Offenburg | 4,390.44 mi (7,065.73 km) |
| Brainerd to Oftersheim | 4,371.68 mi (7,035.54 km) |
| Brainerd to Ohrdruf | 4,376.47 mi (7,043.24 km) |
| Brainerd to Ohringen | 4,410.43 mi (7,097.89 km) |
| Brainerd to Olbernhau | 4,467.82 mi (7,190.25 km) |
| Brainerd to Olching | 4,518.19 mi (7,271.33 km) |
| Brainerd to Oldenburg | 4,191.02 mi (6,744.80 km) |
| Brainerd to Oldenburg in Holstein | 4,223.52 mi (6,797.10 km) |
| Brainerd to Olfen | 4,226.61 mi (6,802.07 km) |
| Brainerd to Olpe | 4,272.47 mi (6,875.87 km) |
| Brainerd to Olsberg | 4,279.14 mi (6,886.61 km) |
| Brainerd to Oranienburg | 4,366.66 mi (7,027.45 km) |
| Brainerd to Ortenberg | 4,342.80 mi (6,989.06 km) |
