| Trabzon to Nuth | 1,744.37 mi (2,807.29 km) |
| Trabzon to Oegstgeest | 1,820.06 mi (2,929.11 km) |
| Trabzon to Oirschot | 1,776.33 mi (2,858.72 km) |
| Trabzon to Oisterwijk | 1,781.60 mi (2,867.21 km) |
| Trabzon to Oldebroek | 1,764.68 mi (2,839.98 km) |
| Trabzon to Oldenzaal | 1,720.16 mi (2,768.32 km) |
| Trabzon to Ommen | 1,744.59 mi (2,807.65 km) |
| Trabzon to Oosterend | 1,766.96 mi (2,843.65 km) |
| Trabzon to Oosterhout | 1,796.83 mi (2,891.71 km) |
| Trabzon to Oosterwolde | 1,757.67 mi (2,828.70 km) |
| Trabzon to Oostzaan | 1,806.24 mi (2,906.86 km) |
| Trabzon to Opmeer | 1,807.40 mi (2,908.73 km) |
| Trabzon to Oss | 1,770.67 mi (2,849.61 km) |
| Trabzon to Oud-Beijerland | 1,818.20 mi (2,926.11 km) |
| Trabzon to Oudenbosch | 1,810.24 mi (2,913.30 km) |
