| Keerbergen to Obernburg am Main | 214.15 mi (344.65 km) |
| Keerbergen to Obernkirchen | 211.23 mi (339.95 km) |
| Keerbergen to Oberschleissheim | 363.83 mi (585.54 km) |
| Keerbergen to Oberstdorf | 355.68 mi (572.42 km) |
| Keerbergen to Obertraubling | 362.96 mi (584.13 km) |
| Keerbergen to Obertshausen | 195.52 mi (314.67 km) |
| Keerbergen to Oberursel | 181.62 mi (292.28 km) |
| Keerbergen to Ochsenfurt | 257.27 mi (414.03 km) |
| Keerbergen to Ochsenhausen | 312.66 mi (503.18 km) |
| Keerbergen to Ochtrup | 137.70 mi (221.60 km) |
| Keerbergen to Odenthal | 108.05 mi (173.89 km) |
| Keerbergen to Oelde | 162.09 mi (260.86 km) |
| Keerbergen to Oelsnitz | 332.04 mi (534.36 km) |
| Keerbergen to Oer-Erkenschwick | 121.42 mi (195.41 km) |
| Keerbergen to Oerlinghausen | 185.93 mi (299.23 km) |
