| Bad Oeynhausen to Oria | 910.02 mi (1,464.53 km) |
| Bad Oeynhausen to Oristano | 849.50 mi (1,367.15 km) |
| Bad Oeynhausen to Orta Nova | 818.23 mi (1,316.81 km) |
| Bad Oeynhausen to Orte | 693.36 mi (1,115.86 km) |
| Bad Oeynhausen to Ortona | 728.90 mi (1,173.05 km) |
| Bad Oeynhausen to Orvieto | 672.94 mi (1,082.99 km) |
| Bad Oeynhausen to Orzinuovi | 472.64 mi (760.64 km) |
| Bad Oeynhausen to Osimo | 639.89 mi (1,029.80 km) |
| Bad Oeynhausen to Ospitaletto | 462.72 mi (744.67 km) |
| Bad Oeynhausen to Ostuni | 894.26 mi (1,439.18 km) |
| Bad Oeynhausen to Ottaviano | 828.71 mi (1,333.68 km) |
| Bad Oeynhausen to Ovada | 522.45 mi (840.80 km) |
| Bad Oeynhausen to Ozieri | 802.58 mi (1,291.63 km) |
| Bad Oeynhausen to Paceco | 998.82 mi (1,607.44 km) |
| Bad Oeynhausen to Pachino | 1,112.94 mi (1,791.11 km) |
