| Owensboro to Oerlinghausen | 4,444.69 mi (7,153.03 km) |
| Owensboro to Oestrich-Winkel | 4,486.17 mi (7,219.80 km) |
| Owensboro to Offenburg | 4,536.38 mi (7,300.60 km) |
| Owensboro to Oftersheim | 4,530.52 mi (7,291.17 km) |
| Owensboro to Ohrdruf | 4,561.19 mi (7,340.53 km) |
| Owensboro to Ohringen | 4,572.04 mi (7,357.99 km) |
| Owensboro to Olbernhau | 4,663.65 mi (7,505.42 km) |
| Owensboro to Olching | 4,678.79 mi (7,529.79 km) |
| Owensboro to Oldenburg | 4,388.81 mi (7,063.10 km) |
| Owensboro to Oldenburg in Holstein | 4,445.40 mi (7,154.18 km) |
| Owensboro to Olfen | 4,405.04 mi (7,089.23 km) |
| Owensboro to Olpe | 4,445.35 mi (7,154.11 km) |
| Owensboro to Olsberg | 4,458.68 mi (7,175.55 km) |
| Owensboro to Oranienburg | 4,583.10 mi (7,375.79 km) |
| Owensboro to Ortenberg | 4,514.42 mi (7,265.26 km) |
