| Ronda to Oberkirch | 1,054.10 mi (1,696.41 km) |
| Ronda to Obernburg am Main | 1,152.27 mi (1,854.40 km) |
| Ronda to Obernkirchen | 1,278.08 mi (2,056.88 km) |
| Ronda to Oberschleissheim | 1,161.19 mi (1,868.75 km) |
| Ronda to Oberstdorf | 1,078.50 mi (1,735.68 km) |
| Ronda to Obertraubling | 1,213.00 mi (1,952.13 km) |
| Ronda to Obertshausen | 1,154.38 mi (1,857.80 km) |
| Ronda to Oberursel | 1,153.81 mi (1,856.88 km) |
| Ronda to Ochsenfurt | 1,172.14 mi (1,886.38 km) |
| Ronda to Ochsenhausen | 1,095.20 mi (1,762.56 km) |
| Ronda to Ochtrup | 1,226.30 mi (1,973.54 km) |
| Ronda to Odenthal | 1,158.31 mi (1,864.11 km) |
| Ronda to Oelde | 1,229.22 mi (1,978.24 km) |
| Ronda to Oelsnitz | 1,276.66 mi (2,054.58 km) |
| Ronda to Oer-Erkenschwick | 1,195.81 mi (1,924.47 km) |
