From New York to Boston it only takes 35 minutes even tho it says on the schedule 1 hour and 10 minutes. Flight back from Boston to New York takes 40 minutes.
If you mean Oslo, Norway, Then it could take about 6-11 hours depending on flight path :)
It should take you by plane, just under an hour.
5hr 00min Mumbai (BOM) to Kuala Lumpur (KUL) by a nonstop flight operated by Malaysia Airlines.
8 hours