The journey from Barrackpore to Shimla covers 1700 kilometers. The most practical way is to take a train from Howrah to Kalka, followed by a taxi or the toy train to Shimla. The route passes through major cities like Delhi. Expect a travel time of 28 to 32 hours. Flight is also an option from Kolkata airport to Chandigarh airport, followed by a taxi.
Total Distance: 1700 km by road, 1450 km straight-line.
The Kalka Mail is a good option.
April to June and October to February.