| Dumfries to Oberkirch | 671.70 mi (1,080.99 km) |
| Dumfries to Obernburg am Main | 645.41 mi (1,038.68 km) |
| Dumfries to Obernkirchen | 554.62 mi (892.57 km) |
| Dumfries to Oberschleissheim | 800.23 mi (1,287.84 km) |
| Dumfries to Oberstdorf | 797.88 mi (1,284.07 km) |
| Dumfries to Obertraubling | 789.46 mi (1,270.51 km) |
| Dumfries to Obertshausen | 624.93 mi (1,005.73 km) |
| Dumfries to Oberursel | 610.17 mi (981.97 km) |
| Dumfries to Ochsenfurt | 685.89 mi (1,103.83 km) |
| Dumfries to Ochsenhausen | 754.35 mi (1,214.00 km) |
| Dumfries to Ochtrup | 483.75 mi (778.53 km) |
| Dumfries to Odenthal | 524.51 mi (844.12 km) |
| Dumfries to Oelde | 531.91 mi (856.03 km) |
| Dumfries to Oelsnitz | 731.60 mi (1,177.40 km) |
| Dumfries to Oer-Erkenschwick | 505.62 mi (813.72 km) |
