| Kamen to Obernburg am Main | 137.17 mi (220.76 km) |
| Kamen to Obernkirchen | 77.48 mi (124.68 km) |
| Kamen to Oberschleissheim | 288.76 mi (464.71 km) |
| Kamen to Oberstdorf | 311.79 mi (501.78 km) |
| Kamen to Obertraubling | 269.03 mi (432.96 km) |
| Kamen to Obertshausen | 117.05 mi (188.37 km) |
| Kamen to Oberursel | 103.83 mi (167.09 km) |
| Kamen to Ochsenfurt | 170.51 mi (274.41 km) |
| Kamen to Ochsenhausen | 263.56 mi (424.17 km) |
| Kamen to Ochtrup | 47.00 mi (75.64 km) |
| Kamen to Odenthal | 45.28 mi (72.86 km) |
| Kamen to Oelde | 26.63 mi (42.86 km) |
| Kamen to Oelsnitz | 211.84 mi (340.92 km) |
| Kamen to Oer-Erkenschwick | 18.12 mi (29.16 km) |
| Kamen to Oerlinghausen | 50.04 mi (80.53 km) |
