| Wath upon Dearne to Oberkirch | 533.68 mi (858.88 km) |
| Wath upon Dearne to Obernburg am Main | 514.79 mi (828.47 km) |
| Wath upon Dearne to Obernkirchen | 443.87 mi (714.35 km) |
| Wath upon Dearne to Oberschleissheim | 668.06 mi (1,075.14 km) |
| Wath upon Dearne to Oberstdorf | 660.75 mi (1,063.38 km) |
| Wath upon Dearne to Obertraubling | 661.61 mi (1,064.76 km) |
| Wath upon Dearne to Obertshausen | 494.77 mi (796.25 km) |
| Wath upon Dearne to Oberursel | 480.12 mi (772.68 km) |
| Wath upon Dearne to Ochsenfurt | 556.55 mi (895.68 km) |
| Wath upon Dearne to Ochsenhausen | 618.40 mi (995.21 km) |
| Wath upon Dearne to Ochtrup | 366.76 mi (590.25 km) |
| Wath upon Dearne to Odenthal | 395.86 mi (637.07 km) |
| Wath upon Dearne to Oelde | 413.67 mi (665.73 km) |
| Wath upon Dearne to Oelsnitz | 612.16 mi (985.18 km) |
| Wath upon Dearne to Oer-Erkenschwick | 382.67 mi (615.85 km) |
