| Dakota Ridge to Octeville | 4,720.53 mi (7,596.96 km) |
| Dakota Ridge to Oignies | 4,848.05 mi (7,802.19 km) |
| Dakota Ridge to Oissel | 4,830.23 mi (7,773.51 km) |
| Dakota Ridge to Olivet | 4,922.73 mi (7,922.37 km) |
| Dakota Ridge to Ollioules | 5,280.24 mi (8,497.73 km) |
| Dakota Ridge to Olonne-sur-Mer | 4,843.44 mi (7,794.76 km) |
| Dakota Ridge to Oloron-Sainte-Marie | 5,030.42 mi (8,095.67 km) |
| Dakota Ridge to Onet Village | 5,102.32 mi (8,211.38 km) |
| Dakota Ridge to Onnaing | 4,872.25 mi (7,841.13 km) |
| Dakota Ridge to Orange | 5,195.55 mi (8,361.43 km) |
| Dakota Ridge to Orchies | 4,856.38 mi (7,815.59 km) |
| Dakota Ridge to Orleans | 4,921.36 mi (7,920.16 km) |
| Dakota Ridge to Orly | 4,902.08 mi (7,889.13 km) |
| Dakota Ridge to Ormesson-sur-Marne | 4,905.40 mi (7,894.48 km) |
| Dakota Ridge to Orsay | 4,896.79 mi (7,880.62 km) |
