A random search for flights from Colombo (CMB) to Hong Kong (HKG) shows: OPTION 1: 7hr 55min
CMB - HKG Cathay Pacific Airways Flt 700 Dep 01:45am 16Oct,Fri
Flight Duration: 7hr 55min
1 way Economy fare: Base Price US$527.oo + Taxes & Fees US$140.39 - Discount US$15.oo
= Total Charge US$ 652.39 OPTION 2: 8hr 55min via Kuala Lumpur
CMB - KUL Malaysia Airlines Flt 0188 Dep 01:45am 16Oct,Fri
KUL - HKG Malaysia Airlines Flt 9720 Dep 09:15am 16Oct,Fri
Flight Duration: 7hr 30min; Layover Time: 1hr 25min; Total Trip Time: 8hr 55min
1 way Economy fare: Base Price US$184.oo + Taxes & Fees US$160.59 - Discount US$15.oo
= Total Charge US$ 329.59
24 hours
Flight time from Hong Kong to Phnom Penh is 2:40 hours.
It is about 7 hours flying time from Hong Kong to Darwin
The flight time from Karachi, Pakistan to Hong Kong averages 5 hours, 58 minutes.
The flight time from Hong Kong to Osaka is 3.5 hours. The flight distance is 1,549 miles (2,493 kilometers or 1,346 nautical miles). Osaka's time zone is one hour ahead of Hong Kong's time zone.
The flight time from Hong Kong to Mauritius is about 9 hours, 38 minutes.
10hrs
The flight time from Hong Kong to Frankfurt, Germany is about 11 hours, 24 minutes.
The flight time from Africa to Hong Kong is about 12 hours, 28 minutes.
A nonstop flight from Hong Kong to Seoul would be about three hours and 35 minutes.
The flight time is 12 hours.
2hr 35min Hong Kong (HKG) to Phnom Penh (PNH) by a nonstop flight operated by Dragonair.
Hong Kong is a city in China. You would have to provide the name of the other city to calculate flight time.