| Crofton to Oerlinghausen | 3,985.17 mi (6,413.51 km) |
| Crofton to Oestrich-Winkel | 4,013.83 mi (6,459.63 km) |
| Crofton to Offenburg | 4,055.40 mi (6,526.53 km) |
| Crofton to Oftersheim | 4,055.73 mi (6,527.06 km) |
| Crofton to Ohrdruf | 4,098.86 mi (6,596.48 km) |
| Crofton to Ohringen | 4,098.05 mi (6,595.18 km) |
| Crofton to Olbernhau | 4,205.68 mi (6,768.39 km) |
| Crofton to Olching | 4,202.99 mi (6,764.06 km) |
| Crofton to Oldenburg | 3,935.76 mi (6,333.99 km) |
| Crofton to Oldenburg in Holstein | 4,004.72 mi (6,444.97 km) |
| Crofton to Olfen | 3,941.65 mi (6,343.48 km) |
| Crofton to Olpe | 3,978.60 mi (6,402.94 km) |
| Crofton to Olsberg | 3,995.10 mi (6,429.50 km) |
| Crofton to Oranienburg | 4,137.33 mi (6,658.39 km) |
| Crofton to Ortenberg | 4,046.10 mi (6,511.58 km) |
