| Boxmeer to Oberkirch | 235.17 mi (378.46 km) |
| Boxmeer to Obernburg am Main | 187.34 mi (301.49 km) |
| Boxmeer to Obernkirchen | 141.43 mi (227.61 km) |
| Boxmeer to Oberschleissheim | 342.66 mi (551.46 km) |
| Boxmeer to Oberstdorf | 351.32 mi (565.40 km) |
| Boxmeer to Obertraubling | 330.96 mi (532.64 km) |
| Boxmeer to Obertshausen | 166.65 mi (268.20 km) |
| Boxmeer to Oberursel | 151.90 mi (244.46 km) |
| Boxmeer to Ochsenfurt | 227.14 mi (365.55 km) |
| Boxmeer to Ochsenhausen | 304.56 mi (490.15 km) |
| Boxmeer to Ochtrup | 65.32 mi (105.11 km) |
| Boxmeer to Odenthal | 65.96 mi (106.16 km) |
| Boxmeer to Oelde | 94.97 mi (152.84 km) |
| Boxmeer to Oelsnitz | 283.14 mi (455.66 km) |
| Boxmeer to Oer-Erkenschwick | 55.77 mi (89.76 km) |
