Boeing 777-300ER is about 5.1 times as tall as Shinkansen N700S (lead car).

Boeing 777-300ER and Shinkansen N700S (lead car): data

NameHeightLengthSpeedWeightArea
Boeing 777-300ER18.5m73.9m—352t
max. takeoff weight
—
Shinkansen N700S (lead car)3.6m
max. height
27.35m300km/h
Sanyo section; 285 km/h on the Tokaido section
——

Sources

Boeing 777-300ER is about 5.1 times as tall as Shinkansen N700S (lead car).