| Bucyrus to Oerlinghausen | 4,139.25 mi (6,661.47 km) |
| Bucyrus to Oestrich-Winkel | 4,180.47 mi (6,727.82 km) |
| Bucyrus to Offenburg | 4,230.76 mi (6,808.75 km) |
| Bucyrus to Oftersheim | 4,224.82 mi (6,799.19 km) |
| Bucyrus to Ohrdruf | 4,255.67 mi (6,848.85 km) |
| Bucyrus to Ohringen | 4,266.34 mi (6,866.01 km) |
| Bucyrus to Olbernhau | 4,358.31 mi (7,014.02 km) |
| Bucyrus to Olching | 4,373.09 mi (7,037.82 km) |
| Bucyrus to Oldenburg | 4,083.64 mi (6,571.98 km) |
| Bucyrus to Oldenburg in Holstein | 4,141.06 mi (6,664.39 km) |
| Bucyrus to Olfen | 4,099.48 mi (6,597.47 km) |
| Bucyrus to Olpe | 4,139.71 mi (6,662.23 km) |
| Bucyrus to Olsberg | 4,153.11 mi (6,683.79 km) |
| Bucyrus to Oranienburg | 4,278.43 mi (6,885.47 km) |
| Bucyrus to Ortenberg | 4,208.76 mi (6,773.35 km) |
