| Dardenne Prairie to Oerlinghausen | 4,525.93 mi (7,283.78 km) |
| Dardenne Prairie to Oestrich-Winkel | 4,574.36 mi (7,361.72 km) |
| Dardenne Prairie to Offenburg | 4,629.33 mi (7,450.18 km) |
| Dardenne Prairie to Oftersheim | 4,619.93 mi (7,435.05 km) |
| Dardenne Prairie to Ohrdruf | 4,643.51 mi (7,473.00 km) |
| Dardenne Prairie to Ohringen | 4,660.83 mi (7,500.88 km) |
| Dardenne Prairie to Olbernhau | 4,743.18 mi (7,633.41 km) |
| Dardenne Prairie to Olching | 4,768.24 mi (7,673.74 km) |
| Dardenne Prairie to Oldenburg | 4,466.79 mi (7,188.61 km) |
| Dardenne Prairie to Oldenburg in Holstein | 4,516.64 mi (7,268.83 km) |
| Dardenne Prairie to Olfen | 4,488.56 mi (7,223.64 km) |
| Dardenne Prairie to Olpe | 4,530.57 mi (7,291.24 km) |
| Dardenne Prairie to Olsberg | 4,542.08 mi (7,309.77 km) |
| Dardenne Prairie to Oranienburg | 4,656.42 mi (7,493.78 km) |
| Dardenne Prairie to Ortenberg | 4,600.24 mi (7,403.37 km) |
