| Carnoustie to Oberkirch | 711.75 mi (1,145.46 km) |
| Carnoustie to Obernburg am Main | 671.17 mi (1,080.15 km) |
| Carnoustie to Obernkirchen | 557.55 mi (897.29 km) |
| Carnoustie to Oberschleissheim | 826.24 mi (1,329.70 km) |
| Carnoustie to Oberstdorf | 834.19 mi (1,342.50 km) |
| Carnoustie to Obertraubling | 808.47 mi (1,301.11 km) |
| Carnoustie to Obertshausen | 650.37 mi (1,046.67 km) |
| Carnoustie to Oberursel | 635.74 mi (1,023.12 km) |
| Carnoustie to Ochsenfurt | 708.85 mi (1,140.79 km) |
| Carnoustie to Ochsenhausen | 788.38 mi (1,268.78 km) |
| Carnoustie to Ochtrup | 496.22 mi (798.59 km) |
| Carnoustie to Odenthal | 550.19 mi (885.44 km) |
| Carnoustie to Oelde | 543.94 mi (875.39 km) |
| Carnoustie to Oelsnitz | 740.02 mi (1,190.95 km) |
| Carnoustie to Oer-Erkenschwick | 524.27 mi (843.73 km) |
