| Albufeira to Oberkirch | 1,140.13 mi (1,834.86 km) |
| Albufeira to Obernburg am Main | 1,233.68 mi (1,985.41 km) |
| Albufeira to Obernkirchen | 1,344.53 mi (2,163.81 km) |
| Albufeira to Oberschleissheim | 1,261.60 mi (2,030.35 km) |
| Albufeira to Oberstdorf | 1,180.72 mi (1,900.18 km) |
| Albufeira to Obertraubling | 1,310.45 mi (2,108.96 km) |
| Albufeira to Obertshausen | 1,233.09 mi (1,984.47 km) |
| Albufeira to Oberursel | 1,230.60 mi (1,980.46 km) |
| Albufeira to Ochsenfurt | 1,258.26 mi (2,024.97 km) |
| Albufeira to Ochsenhausen | 1,191.62 mi (1,917.73 km) |
| Albufeira to Ochtrup | 1,285.16 mi (2,068.26 km) |
| Albufeira to Odenthal | 1,223.63 mi (1,969.25 km) |
| Albufeira to Oelde | 1,294.28 mi (2,082.94 km) |
| Albufeira to Oelsnitz | 1,364.86 mi (2,196.54 km) |
| Albufeira to Oer-Erkenschwick | 1,258.13 mi (2,024.77 km) |
