The Gerber is a bit long.
Cimarron is long too.
Toto makes elongated ADA that are 28" long.
ADA Drake CST744SL
They also have a round bowl that is 16-1/8" high and 26.25" long, the CST733S Dalton.
Their dual flush Aquia is elongated at 27.25" long and 15.125" high