| Erzurum to Nuth | 1,854.84 mi (2,985.08 km) |
| Erzurum to Oegstgeest | 1,931.05 mi (3,107.73 km) |
| Erzurum to Oirschot | 1,887.07 mi (3,036.94 km) |
| Erzurum to Oisterwijk | 1,892.38 mi (3,045.49 km) |
| Erzurum to Oldebroek | 1,875.82 mi (3,018.84 km) |
| Erzurum to Oldenzaal | 1,831.30 mi (2,947.20 km) |
| Erzurum to Ommen | 1,855.78 mi (2,986.59 km) |
| Erzurum to Oosterend | 1,878.25 mi (3,022.75 km) |
| Erzurum to Oosterhout | 1,907.61 mi (3,070.00 km) |
| Erzurum to Oosterwolde | 1,868.96 mi (3,007.81 km) |
| Erzurum to Oostzaan | 1,917.33 mi (3,085.65 km) |
| Erzurum to Opmeer | 1,918.58 mi (3,087.65 km) |
| Erzurum to Oss | 1,881.54 mi (3,028.05 km) |
| Erzurum to Oud-Beijerland | 1,929.04 mi (3,104.49 km) |
| Erzurum to Oudenbosch | 1,920.98 mi (3,091.52 km) |
