| Yambol to Opwijk | 1,201.81 mi (1,934.12 km) |
| Yambol to Ostend | 1,259.47 mi (2,026.92 km) |
| Yambol to Oud-Heverlee | 1,178.85 mi (1,897.17 km) |
| Yambol to Oud-Turnhout | 1,178.48 mi (1,896.57 km) |
| Yambol to Oudenaarde | 1,222.96 mi (1,968.17 km) |
| Yambol to Oudenburg | 1,255.20 mi (2,020.05 km) |
| Yambol to Oupeye | 1,135.97 mi (1,828.16 km) |
| Yambol to Overijse | 1,183.08 mi (1,903.99 km) |
| Yambol to Overpelt | 1,158.53 mi (1,864.47 km) |
| Yambol to Paal | 1,163.56 mi (1,872.57 km) |
| Yambol to Peer | 1,154.79 mi (1,858.45 km) |
| Yambol to Pepinster | 1,125.27 mi (1,810.94 km) |
| Yambol to Peruwelz | 1,216.24 mi (1,957.35 km) |
| Yambol to Perwez | 1,167.69 mi (1,879.22 km) |
| Yambol to Philippeville | 1,168.89 mi (1,881.15 km) |
