Manali is 570 km from Delhi, 310 km from Chandigarh and 350 km from Ambala.
There are daily flights from Delhi to Kullu (Air Deccan, Jagson Airways, MDLR airlines and Air India). The airport is 50 km from Manali in Kullu/Bhuntar.
To come by road from Delhi, one can use Himachal Roadways or Himachal Tourism's Volvo Bus Service. It starts at around 6 in the evening from Delhi and reaches Manali at 9 in the morning.
From Chandigarh there are 2x2 Deluxe buses of Himachal Roadways for Manali, leaves at around 7 in the evening form Chandigarh and reaches Manali at 5 in the morning.
One can also hire to & fro taxi from Delhi or Chandigarh.