| Tryavna to Opwijk | 1,145.25 mi (1,843.10 km) |
| Tryavna to Ostend | 1,202.89 mi (1,935.87 km) |
| Tryavna to Oud-Heverlee | 1,122.28 mi (1,806.13 km) |
| Tryavna to Oud-Turnhout | 1,122.23 mi (1,806.05 km) |
| Tryavna to Oudenaarde | 1,166.28 mi (1,876.95 km) |
| Tryavna to Oudenburg | 1,198.61 mi (1,928.98 km) |
| Tryavna to Oupeye | 1,079.46 mi (1,737.23 km) |
| Tryavna to Overijse | 1,126.47 mi (1,812.88 km) |
| Tryavna to Overpelt | 1,102.29 mi (1,773.96 km) |
| Tryavna to Paal | 1,107.17 mi (1,781.83 km) |
| Tryavna to Peer | 1,098.50 mi (1,767.87 km) |
| Tryavna to Pepinster | 1,068.71 mi (1,719.92 km) |
| Tryavna to Peruwelz | 1,159.41 mi (1,865.89 km) |
| Tryavna to Perwez | 1,111.04 mi (1,788.04 km) |
| Tryavna to Philippeville | 1,112.02 mi (1,789.62 km) |
