| Berea to Oerlinghausen | 4,070.73 mi (6,551.21 km) |
| Berea to Oestrich-Winkel | 4,111.53 mi (6,616.87 km) |
| Berea to Offenburg | 4,161.58 mi (6,697.41 km) |
| Berea to Oftersheim | 4,155.81 mi (6,688.13 km) |
| Berea to Ohrdruf | 4,187.08 mi (6,738.45 km) |
| Berea to Ohringen | 4,197.36 mi (6,754.99 km) |
| Berea to Olbernhau | 4,289.89 mi (6,903.91 km) |
| Berea to Olching | 4,304.07 mi (6,926.74 km) |
| Berea to Oldenburg | 4,015.37 mi (6,462.11 km) |
| Berea to Oldenburg in Holstein | 4,073.33 mi (6,555.38 km) |
| Berea to Olfen | 4,030.82 mi (6,486.97 km) |
| Berea to Olpe | 4,070.95 mi (6,551.56 km) |
| Berea to Olsberg | 4,084.45 mi (6,573.29 km) |
| Berea to Oranienburg | 4,210.50 mi (6,776.15 km) |
| Berea to Ortenberg | 4,139.95 mi (6,662.61 km) |
