| Ermont to Obernburg am Main | 314.68 mi (506.43 km) |
| Ermont to Obernkirchen | 375.91 mi (604.97 km) |
| Ermont to Oberschleissheim | 427.86 mi (688.57 km) |
| Ermont to Oberstdorf | 384.92 mi (619.47 km) |
| Ermont to Obertraubling | 448.93 mi (722.49 km) |
| Ermont to Obertshausen | 303.86 mi (489.02 km) |
| Ermont to Oberursel | 294.89 mi (474.57 km) |
| Ermont to Ochsenfurt | 354.33 mi (570.24 km) |
| Ermont to Ochsenhausen | 357.28 mi (574.98 km) |
| Ermont to Ochtrup | 309.77 mi (498.53 km) |
| Ermont to Odenthal | 257.57 mi (414.52 km) |
| Ermont to Oelde | 325.07 mi (523.16 km) |
| Ermont to Oelsnitz | 453.10 mi (729.20 km) |
| Ermont to Oer-Erkenschwick | 286.25 mi (460.67 km) |
| Ermont to Oerlinghausen | 348.47 mi (560.81 km) |
