Air distance from Kalamaria, Greece to Riyadh, Saudi Arabia is 1766.4 Miles (2842.8 Kilometers / 1534 Nautical Miles).
3 hrs, 40 mins is the flight duration between Kalamaria and Riyadh. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.