| Dobrich to Opwijk | 1,214.00 mi (1,953.74 km) |
| Dobrich to Ostend | 1,271.62 mi (2,046.47 km) |
| Dobrich to Oud-Heverlee | 1,191.22 mi (1,917.09 km) |
| Dobrich to Oud-Turnhout | 1,187.76 mi (1,911.51 km) |
| Dobrich to Oudenaarde | 1,236.43 mi (1,989.84 km) |
| Dobrich to Oudenburg | 1,267.49 mi (2,039.84 km) |
| Dobrich to Oupeye | 1,147.85 mi (1,847.29 km) |
| Dobrich to Overijse | 1,195.89 mi (1,924.60 km) |
| Dobrich to Overpelt | 1,167.80 mi (1,879.39 km) |
| Dobrich to Paal | 1,174.15 mi (1,889.62 km) |
| Dobrich to Peer | 1,164.49 mi (1,874.06 km) |
| Dobrich to Pepinster | 1,137.75 mi (1,831.03 km) |
| Dobrich to Peruwelz | 1,231.55 mi (1,981.99 km) |
| Dobrich to Perwez | 1,181.07 mi (1,900.75 km) |
| Dobrich to Philippeville | 1,184.98 mi (1,907.03 km) |
