Traveling from Karimpur to Patna involves crossing the border regions of West Bengal into Bihar. The most practical route is to take a bus to Krishnanagar or Kolkata and then board a train to Patna Junction. The distance is roughly 450 km. You will pass through the fertile plains of the Ganges. Expect a total travel time of 10 to 14 hours.
Total Distance: 450 km by road, 380 km air distance.
Check for trains from Sealdah or Kolkata if direct options from Krishnanagar are limited.
November to February for cool, pleasant weather.