Distance between Constanta and Ordu is 835.26 km.
This distance is equal to 519.01 miles, and 450.71 nautical miles.
The distance line on map shows distance from Constanta to Ordu between two cities.
If you travel with an airplane (which has average speed of 560 miles) between Constanta to Ordu,
It takes 0.93 hours to arrive.