| Dokkum to Oberkirch | 343.39 mi (552.63 km) |
| Dokkum to Obernburg am Main | 276.08 mi (444.31 km) |
| Dokkum to Obernkirchen | 149.50 mi (240.59 km) |
| Dokkum to Oberschleissheim | 426.58 mi (686.51 km) |
| Dokkum to Oberstdorf | 450.07 mi (724.32 km) |
| Dokkum to Obertraubling | 402.56 mi (647.86 km) |
| Dokkum to Obertshausen | 255.85 mi (411.75 km) |
| Dokkum to Oberursel | 242.32 mi (389.98 km) |
| Dokkum to Ochsenfurt | 308.40 mi (496.33 km) |
| Dokkum to Ochsenhausen | 401.96 mi (646.90 km) |
| Dokkum to Ochtrup | 92.12 mi (148.25 km) |
| Dokkum to Odenthal | 165.40 mi (266.19 km) |
| Dokkum to Oelde | 137.15 mi (220.71 km) |
| Dokkum to Oelsnitz | 330.99 mi (532.67 km) |
| Dokkum to Oer-Erkenschwick | 127.77 mi (205.63 km) |
