| Colfontaine to Obernburg am Main | 237.52 mi (382.26 km) |
| Colfontaine to Obernkirchen | 261.07 mi (420.16 km) |
| Colfontaine to Oberschleissheim | 377.77 mi (607.96 km) |
| Colfontaine to Oberstdorf | 357.65 mi (575.58 km) |
| Colfontaine to Obertraubling | 384.57 mi (618.91 km) |
| Colfontaine to Obertshausen | 221.37 mi (356.26 km) |
| Colfontaine to Oberursel | 208.97 mi (336.31 km) |
| Colfontaine to Ochsenfurt | 280.69 mi (451.72 km) |
| Colfontaine to Ochsenhausen | 318.66 mi (512.83 km) |
| Colfontaine to Ochtrup | 190.40 mi (306.42 km) |
| Colfontaine to Odenthal | 149.26 mi (240.21 km) |
| Colfontaine to Oelde | 210.87 mi (339.36 km) |
| Colfontaine to Oelsnitz | 365.94 mi (588.93 km) |
| Colfontaine to Oer-Erkenschwick | 170.63 mi (274.61 km) |
| Colfontaine to Oerlinghausen | 234.71 mi (377.73 km) |
