| Steenokkerzeel to Obernburg am Main | 217.28 mi (349.67 km) |
| Steenokkerzeel to Obernkirchen | 218.62 mi (351.83 km) |
| Steenokkerzeel to Oberschleissheim | 365.80 mi (588.70 km) |
| Steenokkerzeel to Oberstdorf | 355.85 mi (572.68 km) |
| Steenokkerzeel to Obertraubling | 366.09 mi (589.16 km) |
| Steenokkerzeel to Obertshausen | 198.98 mi (320.23 km) |
| Steenokkerzeel to Oberursel | 185.27 mi (298.16 km) |
| Steenokkerzeel to Ochsenfurt | 260.51 mi (419.25 km) |
| Steenokkerzeel to Ochsenhausen | 313.36 mi (504.30 km) |
| Steenokkerzeel to Ochtrup | 145.50 mi (234.16 km) |
| Steenokkerzeel to Odenthal | 113.75 mi (183.06 km) |
| Steenokkerzeel to Oelde | 169.27 mi (272.41 km) |
| Steenokkerzeel to Oelsnitz | 337.02 mi (542.37 km) |
| Steenokkerzeel to Oer-Erkenschwick | 128.62 mi (207.00 km) |
| Steenokkerzeel to Oerlinghausen | 193.13 mi (310.81 km) |
