The nearest airport to Karnaprayag is Jolly Grant Airport in Dehradun. Karnaprayag is around 150 km from the airport. There are regular flights from various cities in India to Dehradun.
Karnaprayag is connected to other major cities of India by road. NH58 passes through Karnaprayag and connects it to Delhi in the north and Dehradun in the south.
The nearest railway station is at Rishikesh, which is about 26 km away from Karnaprayag.
There is no local transport in Karnaprayag.