Originally Posted by
ConciergeMike
Not a complete list, but I'll give it a shot:
IAH/EWR-NRT
EWR-TLV
EWR-BOM
EWR-DEL
EWR-HKG
EWR-PVG
EWR-PEK
IAH/EWR-LHR
IAH/EWR-CDG
IAH-CDG is no longer a 777 route, but a 764 route since April 2009. At the same time IAH-AMS became a 777 route.