Originally Posted by
hirohito888
Not really, YVR-IST-ATH is only 6,318mi. YVR-YYZ-ATH is 7,148mi and YVR-ORD-ATH is 7,227mi. The most efficient route would be YVR-MUC-ATH at 6,141mi.
This.
Going through east coast US would add even greater distances due to great circle.