| Roquetas de Mar to Oberkirch | 976.08 mi (1,570.84 km) |
| Roquetas de Mar to Obernburg am Main | 1,076.80 mi (1,732.94 km) |
| Roquetas de Mar to Obernkirchen | 1,213.60 mi (1,953.09 km) |
| Roquetas de Mar to Oberschleissheim | 1,069.66 mi (1,721.45 km) |
| Roquetas de Mar to Oberstdorf | 986.38 mi (1,587.43 km) |
| Roquetas de Mar to Obertraubling | 1,123.41 mi (1,807.95 km) |
| Roquetas de Mar to Obertshausen | 1,081.15 mi (1,739.94 km) |
| Roquetas de Mar to Oberursel | 1,082.20 mi (1,741.64 km) |
| Roquetas de Mar to Ochsenfurt | 1,092.46 mi (1,758.15 km) |
| Roquetas de Mar to Ochsenhausen | 1,007.78 mi (1,621.87 km) |
| Roquetas de Mar to Ochtrup | 1,168.79 mi (1,880.98 km) |
| Roquetas de Mar to Odenthal | 1,096.29 mi (1,764.31 km) |
| Roquetas de Mar to Oelde | 1,166.48 mi (1,877.27 km) |
| Roquetas de Mar to Oelsnitz | 1,194.10 mi (1,921.72 km) |
| Roquetas de Mar to Oer-Erkenschwick | 1,135.80 mi (1,827.89 km) |
