| Ecublens to Oberkirch | 155.72 mi (250.61 km) |
| Ecublens to Obernburg am Main | 257.87 mi (415.00 km) |
| Ecublens to Obernkirchen | 412.78 mi (664.31 km) |
| Ecublens to Oberschleissheim | 262.61 mi (422.63 km) |
| Ecublens to Oberstdorf | 185.60 mi (298.70 km) |
| Ecublens to Obertraubling | 310.07 mi (499.02 km) |
| Ecublens to Obertshausen | 265.88 mi (427.89 km) |
| Ecublens to Oberursel | 270.28 mi (434.98 km) |
| Ecublens to Ochsenfurt | 269.62 mi (433.91 km) |
| Ecublens to Ochsenhausen | 191.24 mi (307.78 km) |
| Ecublens to Ochtrup | 393.33 mi (633.00 km) |
| Ecublens to Odenthal | 312.34 mi (502.66 km) |
| Ecublens to Oelde | 373.53 mi (601.13 km) |
| Ecublens to Oelsnitz | 371.49 mi (597.85 km) |
| Ecublens to Oer-Erkenschwick | 354.76 mi (570.93 km) |
