| Chaudfontaine to Obernburg am Main | 163.38 mi (262.93 km) |
| Chaudfontaine to Obernkirchen | 189.86 mi (305.55 km) |
| Chaudfontaine to Oberschleissheim | 311.50 mi (501.31 km) |
| Chaudfontaine to Oberstdorf | 303.92 mi (489.11 km) |
| Chaudfontaine to Obertraubling | 312.09 mi (502.25 km) |
| Chaudfontaine to Obertshausen | 145.59 mi (234.30 km) |
| Chaudfontaine to Oberursel | 132.28 mi (212.89 km) |
| Chaudfontaine to Ochsenfurt | 206.70 mi (332.64 km) |
| Chaudfontaine to Ochsenhausen | 260.41 mi (419.09 km) |
| Chaudfontaine to Ochtrup | 130.64 mi (210.25 km) |
| Chaudfontaine to Odenthal | 71.84 mi (115.62 km) |
| Chaudfontaine to Oelde | 139.01 mi (223.71 km) |
| Chaudfontaine to Oelsnitz | 287.27 mi (462.32 km) |
| Chaudfontaine to Oer-Erkenschwick | 101.36 mi (163.13 km) |
| Chaudfontaine to Oerlinghausen | 162.23 mi (261.09 km) |
