| Douarnenez to Oak Harbor (Washington) | 4,824.20 mi (7,763.80 km) |
| Douarnenez to Oak Hills (Oregon) | 4,979.45 mi (8,013.66 km) |
| Douarnenez to Oak Lawn (Illinois) | 3,901.93 mi (6,279.54 km) |
| Douarnenez to Oak Park (California) | 5,463.34 mi (8,792.39 km) |
| Douarnenez to Oak Park (Illinois) | 3,896.21 mi (6,270.34 km) |
| Douarnenez to Oak Park (Michigan) | 3,682.22 mi (5,925.96 km) |
| Douarnenez to Oak Ridge (Florida) | 4,209.24 mi (6,774.12 km) |
| Douarnenez to Oak Ridge (New Jersey) | 3,367.40 mi (5,419.30 km) |
| Douarnenez to Oak Ridge (Tennessee) | 4,001.06 mi (6,439.09 km) |
| Douarnenez to Oakdale (California) | 5,340.30 mi (8,594.38 km) |
| Douarnenez to Oakdale (Minnesota) | 3,972.43 mi (6,393.00 km) |
| Douarnenez to Oakland (California) | 5,384.23 mi (8,665.08 km) |
| Douarnenez to Oakland (New Jersey) | 3,356.27 mi (5,401.39 km) |
| Douarnenez to Oakland Park (Florida) | 4,258.34 mi (6,853.14 km) |
| Douarnenez to Oakleaf Plantation (Florida) | 4,150.35 mi (6,679.34 km) |
