IIT Kanpur is located on the main G.T. road and it is abort 1 KM from Kalyanpur railway station.
By Train one arrives at kanpur central railway station and on find easy conveyance (Taxi/Auto/Rickshaw) from station which is abort 15 KM from IIT Campus
By air one arrives at Lucknow airport or Kanpur airport which are abort 90 KM and 35 KM from IIT Campus, respectively.
IIT Kanpur Map 
