The calculated distance (air line) between Bhattarai Danda and Nepalgunj is approximately 142 miles respectively 228 kilometers.
By car or train, the actual journey to Nepalgunj is certainly longer, as only the direct route (as the crow flies) between Bhattarai Danda and Nepalgunj has been calculated here.
Air line (approximately)
228 kilometers
123 nautical miles