A random search for flights from Los Angeles (LAX) to Denpasar Bali (DPS) shows:
OPTION 1: 23hr 55min via Taipei (TPE)
LAX - TPE EVA Air Flt 001 Dep 11:25pm 27Nov,Fri
TPE - DPS EVA Air Flt 255 Dep 10:00am 29Nov,Sun
Flight Duration: 20hr 05min; Layover Time: 3hr 50min; Total Trip Time: 23hr 55min
OPTION 2: 23hr 10min via Taipei (TPE)
LAX - TPE China Airlines Flt 007 Dep 11:25pm 27Nov,Fri
TPE - DPS China Airlines Flt 771 Dep 09:35am 29Nov,Sun
Flight Duration: 19hr 35min; Layover Time: 3hr 35min; Total Trip Time: 23hr 10min
The flight from the London Heathrow Airport and Bali is 16 hours and 2 minutes. The distance between these locations is 7,770 miles.
It's about 2000km distance, so it's about two and half hours
This trip would take 16 hours by plane.
4 days
About 10 hours
15 Hours
It would take about 13 hours to fly from Los Angeles to Rome Italy.
about 9 hours
15 hours
19 hours
about 17 hours
a whole day
It takes six hours to fly from Los Angeles to Honolulu.
Acording to HowManyHours.com it takes about 1 hour to fly from San Fransisco to Los Angeles.
300 days
It will take about 1 hour.