Take H1 Eastbound.  H1 will turn into Kalanianaole Highway.  Continue Eastbound on Kalanianaole Highway towards Kuliouou ~ if you've made it to Hawaii Kai, you have gone too far!  Holy Trinity Church is on the ocean side (Makai) of Kalanianaole Highway on Moanalua Bay.  Holy Trinity Church is located just past the corner of Kalanianaole Highway and Pako Drive, right after Niu Valley Shopping Center.

Head West on Kalanianaole Highway towards Honolulu.  Once past Hawaii Kai and before entering Niu Valley, Holy Trinity Church will be on the ocean side (Makai) of Kalanianaole Highway on Moanalua Bay.  If you reached Niu Valley Shopping Center, you went too far!