| Glasgow to Oberkirch | 725.45 mi (1,167.50 km) |
| Glasgow to Obernburg am Main | 694.69 mi (1,117.99 km) |
| Glasgow to Obernkirchen | 594.98 mi (957.52 km) |
| Glasgow to Oberschleissheim | 849.93 mi (1,367.82 km) |
| Glasgow to Oberstdorf | 850.79 mi (1,369.21 km) |
| Glasgow to Obertraubling | 836.72 mi (1,346.58 km) |
| Glasgow to Obertshausen | 674.04 mi (1,084.77 km) |
| Glasgow to Oberursel | 659.28 mi (1,061.01 km) |
| Glasgow to Ochsenfurt | 734.32 mi (1,181.77 km) |
| Glasgow to Ochsenhausen | 806.50 mi (1,297.94 km) |
| Glasgow to Ochtrup | 527.59 mi (849.08 km) |
| Glasgow to Odenthal | 573.36 mi (922.74 km) |
| Glasgow to Oelde | 575.82 mi (926.69 km) |
| Glasgow to Oelsnitz | 774.76 mi (1,246.86 km) |
| Glasgow to Oer-Erkenschwick | 551.90 mi (888.20 km) |
