Toto has the high round bowl Promenade, CST423 in the E or S tanks and the E and EG bowls.
Also the Dalton CST733F
Both of these are about 26.5" long.
The tall Ultramax and Ultramax II, Drake II bowls are elongated, which adds 1.5" to the lenght.
Front to back about 28" which is fairly compact.