Hey Rahul, I will be happy to answer your travel queries.distance of Nainital to auli is roughly 455 kilometres.and it takes upto 12 hours and will cost about 2500 approx on petrol /diesel on driving with own car. road trip comes with its own enjoyment and long drive with such view is a refreshing experience for sure. another way to reach auli is bi railway.the nearest railway station is in Rishikesh. after that you can book your cab from Rishikesh to auli. the last option we have is from flight. flight available till Dehradun and then you can book a cab from there to auli or a bus ride may work well .I checked online and found that there are some great deals for auli available on tripoto itself ,check this link once https://www.tripoto.com/auli/tour-packages