| Rijen to Oberkirch | 252.39 mi (406.18 km) |
| Rijen to Obernburg am Main | 219.35 mi (353.01 km) |
| Rijen to Obernkirchen | 183.72 mi (295.67 km) |
| Rijen to Oberschleissheim | 373.51 mi (601.11 km) |
| Rijen to Oberstdorf | 374.43 mi (602.58 km) |
| Rijen to Obertraubling | 366.19 mi (589.32 km) |
| Rijen to Obertshausen | 199.23 mi (320.62 km) |
| Rijen to Oberursel | 184.57 mi (297.03 km) |
| Rijen to Ochsenfurt | 260.99 mi (420.02 km) |
| Rijen to Ochsenhausen | 329.21 mi (529.81 km) |
| Rijen to Ochtrup | 104.75 mi (168.57 km) |
| Rijen to Odenthal | 101.00 mi (162.55 km) |
| Rijen to Oelde | 138.08 mi (222.22 km) |
| Rijen to Oelsnitz | 323.83 mi (521.16 km) |
| Rijen to Oer-Erkenschwick | 98.80 mi (159.00 km) |
