Air distance from Ahmedabad, India to Billings, USA is 7704.7 Miles (12399.6 Kilometers / 6690.8 Nautical Miles).
Flight duration time from Ahmedabad to Billings is 15 hrs, 59 mins. This is the In-The-Air flight time. You should also add the taxi time, airport wait times and possible delays due to bad weather, etc. for the total flight duration time.