| Bad Oeynhausen to Novi di Modena | 513.84 mi (826.95 km) |
| Bad Oeynhausen to Novi Ligure | 514.11 mi (827.38 km) |
| Bad Oeynhausen to Nuoro | 821.45 mi (1,321.99 km) |
| Bad Oeynhausen to Occhiobello | 518.62 mi (834.63 km) |
| Bad Oeynhausen to Oderzo | 473.91 mi (762.69 km) |
| Bad Oeynhausen to Oggiono | 444.05 mi (714.63 km) |
| Bad Oeynhausen to Olbia | 780.30 mi (1,255.77 km) |
| Bad Oeynhausen to Oleggio | 456.08 mi (733.99 km) |
| Bad Oeynhausen to Olgiate Comasco | 443.42 mi (713.61 km) |
| Bad Oeynhausen to Olgiate Olona | 453.73 mi (730.21 km) |
| Bad Oeynhausen to Omegna | 437.16 mi (703.54 km) |
| Bad Oeynhausen to Opera | 471.37 mi (758.59 km) |
| Bad Oeynhausen to Oppeano | 488.88 mi (786.77 km) |
| Bad Oeynhausen to Orbassano | 500.29 mi (805.13 km) |
| Bad Oeynhausen to Orbetello | 683.69 mi (1,100.29 km) |
