The calculated distance (air line) between Honolulu and Waipi‘o Acres is approximately 15 miles respectively 24 kilometers.
By car or train, the actual journey to Waipi‘o Acres is certainly longer, as only the direct route (as the crow flies) between Honolulu and Waipi‘o Acres has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles