| Oliveira de Azemeis to Oberkirch | 968.48 mi (1,558.62 km) |
| Oliveira de Azemeis to Obernburg am Main | 1,053.37 mi (1,695.24 km) |
| Oliveira de Azemeis to Obernkirchen | 1,144.14 mi (1,841.31 km) |
| Oliveira de Azemeis to Oberschleissheim | 1,107.21 mi (1,781.87 km) |
| Oliveira de Azemeis to Oberstdorf | 1,031.43 mi (1,659.92 km) |
| Oliveira de Azemeis to Obertraubling | 1,150.38 mi (1,851.36 km) |
| Oliveira de Azemeis to Obertshausen | 1,049.38 mi (1,688.82 km) |
| Oliveira de Azemeis to Oberursel | 1,044.57 mi (1,681.08 km) |
| Oliveira de Azemeis to Ochsenfurt | 1,083.53 mi (1,743.77 km) |
| Oliveira de Azemeis to Ochsenhausen | 1,033.18 mi (1,662.75 km) |
| Oliveira de Azemeis to Ochtrup | 1,077.77 mi (1,734.50 km) |
| Oliveira de Azemeis to Odenthal | 1,024.35 mi (1,648.54 km) |
| Oliveira de Azemeis to Oelde | 1,093.29 mi (1,759.48 km) |
| Oliveira de Azemeis to Oelsnitz | 1,190.57 mi (1,916.03 km) |
| Oliveira de Azemeis to Oer-Erkenschwick | 1,054.88 mi (1,697.66 km) |
