| Owensboro to Nuth | 4,374.08 mi (7,039.41 km) |
| Owensboro to Oegstgeest | 4,279.98 mi (6,887.96 km) |
| Owensboro to Oirschot | 4,333.04 mi (6,973.35 km) |
| Owensboro to Oisterwijk | 4,326.59 mi (6,962.97 km) |
| Owensboro to Oldebroek | 4,325.69 mi (6,961.52 km) |
| Owensboro to Oldenzaal | 4,368.58 mi (7,030.54 km) |
| Owensboro to Ommen | 4,342.88 mi (6,989.18 km) |
| Owensboro to Oosterend | 4,314.43 mi (6,943.40 km) |
| Owensboro to Oosterhout | 4,311.60 mi (6,938.84 km) |
| Owensboro to Oosterwolde | 4,323.17 mi (6,957.48 km) |
| Owensboro to Oostzaan | 4,288.02 mi (6,900.91 km) |
| Owensboro to Opmeer | 4,282.30 mi (6,891.69 km) |
| Owensboro to Oss | 4,332.85 mi (6,973.05 km) |
| Owensboro to Oud-Beijerland | 4,288.74 mi (6,902.06 km) |
| Owensboro to Oudenbosch | 4,300.53 mi (6,921.03 km) |
