The journey from Barrackpore to Jammu covers 1900 kilometers. The most practical way is to take a train from Howrah station. The route passes through major cities like Delhi. Expect a travel time of 32 to 36 hours by train. Flight is also an option from Kolkata airport.
Total Distance: 1900 km by road, 1600 km straight-line.
The Jammu Tawi Express is a good option.
October to March for pleasant weather.