| Dokkum to Oerlinghausen | 146.09 mi (235.11 km) |
| Dokkum to Oestrich-Winkel | 245.33 mi (394.82 km) |
| Dokkum to Offenburg | 346.20 mi (557.16 km) |
| Dokkum to Oftersheim | 295.22 mi (475.10 km) |
| Dokkum to Ohrdruf | 264.91 mi (426.34 km) |
| Dokkum to Ohringen | 322.75 mi (519.42 km) |
| Dokkum to Olbernhau | 361.90 mi (582.42 km) |
| Dokkum to Olching | 423.42 mi (681.44 km) |
| Dokkum to Oldenburg | 92.50 mi (148.86 km) |
| Dokkum to Oldenburg in Holstein | 210.27 mi (338.40 km) |
| Dokkum to Olfen | 125.57 mi (202.08 km) |
| Dokkum to Olpe | 177.54 mi (285.72 km) |
| Dokkum to Olsberg | 172.21 mi (277.15 km) |
| Dokkum to Oranienburg | 303.17 mi (487.91 km) |
| Dokkum to Ortenberg | 243.20 mi (391.40 km) |
