All distances are to the compass rose in the middle of the esplanade, using the most likely walking route. Other than the on property hotels I just did a selection of area hotels to give a sense of walking distance.
Best Western Park Place Inn (front end) - 1,310 feet (0.248 miles)
Grand California Hotel (Lobby, DCA Closed) - 1,569 feet (0.297 miles)
Grand California Hotel (Lobby, DCA Open) - 1,762 feet (0.333 miles)
Best Western Park Place Inn (back end) - 1,794 feet (0.340 miles)
Anaheim Fairfield Inn (Lobby) - 2,342 feet (0.443 miles)
Grand California Hotel (Farthest Room, DCA Closed) - 2,367 feet (0.448 miles)
Disneyland Hotel (Sorcerer Hat) - 2,390 feet (0.452 miles)
Paradise Pier Hotel (Middle, through GCH) - 2,533 feet (0.454 miles)
Anaheim Fairfield Inn (farthest room) - 2,618 feet (0.495 miles)
Howard Johnson Plaza Hotel (lobby) - 2,779 feet (0.526 miles)
Candy Cane Inn (lobby) - 2,876 feet (0.545 miles)
Disneyland Hotel (Farther tower) - 3,125 feet (0.592 miles)
Paradise Pier Hotel (through Downtown Disney) - 3,234 feet (0.613 miles)
Candy Cane Inn (farthest room) - 3,423 feet (0.648 miles)
Anaheim Sheraton (lobby) - 5,782 feet (1.10 miles)