| Brea to Oerlinghausen | 5,681.23 mi (9,143.06 km) |
| Brea to Oestrich-Winkel | 5,761.93 mi (9,272.93 km) |
| Brea to Offenburg | 5,837.91 mi (9,395.21 km) |
| Brea to Oftersheim | 5,811.67 mi (9,352.98 km) |
| Brea to Ohrdruf | 5,799.16 mi (9,332.84 km) |
| Brea to Ohringen | 5,847.96 mi (9,411.38 km) |
| Brea to Olbernhau | 5,880.43 mi (9,463.64 km) |
| Brea to Olching | 5,954.39 mi (9,582.67 km) |
| Brea to Oldenburg | 5,608.42 mi (9,025.89 km) |
| Brea to Oldenburg in Holstein | 5,621.66 mi (9,047.18 km) |
| Brea to Olfen | 5,656.73 mi (9,103.63 km) |
| Brea to Olpe | 5,705.34 mi (9,181.86 km) |
| Brea to Olsberg | 5,707.44 mi (9,185.23 km) |
| Brea to Oranienburg | 5,765.58 mi (9,278.80 km) |
| Brea to Ortenberg | 5,775.12 mi (9,294.16 km) |
