| Dunbar to Oerlinghausen | 532.17 mi (856.44 km) |
| Dunbar to Oestrich-Winkel | 601.50 mi (968.02 km) |
| Dunbar to Offenburg | 681.63 mi (1,096.98 km) |
| Dunbar to Oftersheim | 651.35 mi (1,048.24 km) |
| Dunbar to Ohrdruf | 650.67 mi (1,047.16 km) |
| Dunbar to Ohringen | 687.60 mi (1,106.59 km) |
| Dunbar to Olbernhau | 748.23 mi (1,204.16 km) |
| Dunbar to Olching | 794.44 mi (1,278.54 km) |
| Dunbar to Oldenburg | 472.33 mi (760.15 km) |
| Dunbar to Oldenburg in Holstein | 541.04 mi (870.72 km) |
| Dunbar to Olfen | 499.68 mi (804.15 km) |
| Dunbar to Olpe | 546.34 mi (879.24 km) |
| Dunbar to Olsberg | 552.17 mi (888.64 km) |
| Dunbar to Oranienburg | 670.72 mi (1,079.42 km) |
| Dunbar to Ortenberg | 616.58 mi (992.29 km) |
