| Bollnas to Oberkirch | 943.09 mi (1,517.76 km) |
| Bollnas to Obernburg am Main | 842.83 mi (1,356.40 km) |
| Bollnas to Obernkirchen | 684.22 mi (1,101.15 km) |
| Bollnas to Oberschleissheim | 924.57 mi (1,487.96 km) |
| Bollnas to Oberstdorf | 992.94 mi (1,597.99 km) |
| Bollnas to Obertraubling | 871.21 mi (1,402.07 km) |
| Bollnas to Obertshausen | 831.89 mi (1,338.80 km) |
| Bollnas to Oberursel | 826.42 mi (1,329.99 km) |
| Bollnas to Ochsenfurt | 844.40 mi (1,358.92 km) |
| Bollnas to Ochsenhausen | 951.57 mi (1,531.40 km) |
| Bollnas to Ochtrup | 719.86 mi (1,158.50 km) |
| Bollnas to Odenthal | 795.18 mi (1,279.72 km) |
| Bollnas to Oelde | 727.09 mi (1,170.14 km) |
| Bollnas to Oelsnitz | 772.45 mi (1,243.14 km) |
| Bollnas to Oer-Erkenschwick | 754.24 mi (1,213.84 km) |
