Sambalpur is directly connected to New Delhi, Mumbai, Chennai and Calcutta by express trains.  Also its well connected with express trains to Ahmedabad, Bangalore and Hyderabad. Sambalpur has very good bus communications with Cuttack and Bhubaneswar. There is are Intercity-Trains plying to Bhubaneswar and raipur from Sambalpur.

Trains - Hirakund Express, Kaling Utkal Express (you have to get  down at Jharsuguda Jn. and take a 1 hour bus journey),