| Chaumont-Gistoux to Obernburg am Main | 204.85 mi (329.67 km) |
| Chaumont-Gistoux to Obernkirchen | 219.46 mi (353.19 km) |
| Chaumont-Gistoux to Oberschleissheim | 351.22 mi (565.24 km) |
| Chaumont-Gistoux to Oberstdorf | 339.15 mi (545.81 km) |
| Chaumont-Gistoux to Obertraubling | 353.40 mi (568.74 km) |
| Chaumont-Gistoux to Obertshausen | 187.26 mi (301.36 km) |
| Chaumont-Gistoux to Oberursel | 174.00 mi (280.02 km) |
| Chaumont-Gistoux to Ochsenfurt | 248.19 mi (399.42 km) |
| Chaumont-Gistoux to Ochsenhausen | 297.22 mi (478.33 km) |
| Chaumont-Gistoux to Ochtrup | 150.33 mi (241.93 km) |
| Chaumont-Gistoux to Odenthal | 108.35 mi (174.38 km) |
| Chaumont-Gistoux to Oelde | 169.17 mi (272.26 km) |
| Chaumont-Gistoux to Oelsnitz | 328.41 mi (528.53 km) |
| Chaumont-Gistoux to Oer-Erkenschwick | 129.02 mi (207.65 km) |
| Chaumont-Gistoux to Oerlinghausen | 193.01 mi (310.62 km) |
