| Annan to Oberkirch | 657.46 mi (1,058.08 km) |
| Annan to Obernburg am Main | 630.82 mi (1,015.21 km) |
| Annan to Obernkirchen | 540.16 mi (869.31 km) |
| Annan to Oberschleissheim | 785.66 mi (1,264.40 km) |
| Annan to Oberstdorf | 783.56 mi (1,261.01 km) |
| Annan to Obertraubling | 774.82 mi (1,246.96 km) |
| Annan to Obertshausen | 610.34 mi (982.24 km) |
| Annan to Oberursel | 595.57 mi (958.49 km) |
| Annan to Ochsenfurt | 671.28 mi (1,080.31 km) |
| Annan to Ochsenhausen | 739.94 mi (1,190.82 km) |
| Annan to Ochtrup | 469.16 mi (755.04 km) |
| Annan to Odenthal | 509.90 mi (820.61 km) |
| Annan to Oelde | 517.31 mi (832.53 km) |
| Annan to Oelsnitz | 717.01 mi (1,153.92 km) |
| Annan to Oer-Erkenschwick | 490.99 mi (790.17 km) |
