The calculated distance (air line) between Lālmohan and Chhāgalnāiya is approximately 68 miles respectively 110 kilometers.
By car or train, the actual journey to Chhāgalnāiya is certainly longer, as only the direct route (as the crow flies) between Lālmohan and Chhāgalnāiya has been calculated here.
Air line (approximately)
110 kilometers
59 nautical miles