The calculated distance (air line) between Sātkhira and Rāmchandrapur is approximately 40 miles respectively 65 kilometers.
By car or train, the actual journey to Rāmchandrapur is certainly longer, as only the direct route (as the crow flies) between Sātkhira and Rāmchandrapur has been calculated here.
Air line (approximately)
65 kilometers
35 nautical miles