| Trabzon to Opwijk | 1,818.00 mi (2,925.79 km) |
| Trabzon to Ostend | 1,874.79 mi (3,017.18 km) |
| Trabzon to Oud-Heverlee | 1,795.82 mi (2,890.09 km) |
| Trabzon to Oud-Turnhout | 1,787.54 mi (2,876.77 km) |
| Trabzon to Oudenaarde | 1,842.07 mi (2,964.52 km) |
| Trabzon to Oudenburg | 1,870.94 mi (3,010.99 km) |
| Trabzon to Oupeye | 1,752.34 mi (2,820.11 km) |
| Trabzon to Overijse | 1,801.08 mi (2,898.56 km) |
| Trabzon to Overpelt | 1,767.90 mi (2,845.16 km) |
| Trabzon to Paal | 1,776.26 mi (2,858.61 km) |
| Trabzon to Peer | 1,765.32 mi (2,841.01 km) |
| Trabzon to Pepinster | 1,743.28 mi (2,805.53 km) |
| Trabzon to Peruwelz | 1,839.93 mi (2,961.08 km) |
| Trabzon to Perwez | 1,787.31 mi (2,876.40 km) |
| Trabzon to Philippeville | 1,794.98 mi (2,888.75 km) |
