The calculated distance (air line) between Bocas del Toro and Nuevo Arraiján is approximately 174 miles respectively 281 kilometers.
By car or train, the actual journey to Nuevo Arraiján is certainly longer, as only the direct route (as the crow flies) between Bocas del Toro and Nuevo Arraiján has been calculated here.
Air line (approximately)
281 kilometers
151 nautical miles