How long would a flight be from Iowa to Fiji?

A random search for flights from Denver (DEN) to Nadi (NAN) shows:

OPTION 1: 16hr 04min via Honolulu (HNL)

DEN - HNL Continental Airlines Flight 6221 Dep 12:11pm 23Apr,Fri

Operated by United Airlines

HNL - NAN Continental Airlines Flt 955 Dep 06:30pm 23Apr,Fri

Flight Duration: 13hr 14min; Layover Time: 2hr 50min; Total Trip Time: 16hr 04min