| Visby to Oberkirch | 756.51 mi (1,217.48 km) |
| Visby to Obernburg am Main | 654.48 mi (1,053.28 km) |
| Visby to Obernkirchen | 519.01 mi (835.27 km) |
| Visby to Oberschleissheim | 705.37 mi (1,135.19 km) |
| Visby to Oberstdorf | 781.35 mi (1,257.46 km) |
| Visby to Obertraubling | 649.42 mi (1,045.15 km) |
| Visby to Obertshausen | 648.44 mi (1,043.56 km) |
| Visby to Oberursel | 646.77 mi (1,040.88 km) |
| Visby to Ochsenfurt | 645.40 mi (1,038.66 km) |
| Visby to Ochsenhausen | 745.49 mi (1,199.76 km) |
| Visby to Ochtrup | 577.82 mi (929.91 km) |
| Visby to Odenthal | 639.52 mi (1,029.20 km) |
| Visby to Oelde | 568.59 mi (915.06 km) |
| Visby to Oelsnitz | 556.65 mi (895.84 km) |
| Visby to Oer-Erkenschwick | 604.11 mi (972.22 km) |
