The calculated distance (air line) between Parque Lefevre and Puerto Armuelles is approximately 237 miles respectively 381 kilometers.
By car or train, the actual journey to Puerto Armuelles is certainly longer, as only the direct route (as the crow flies) between Parque Lefevre and Puerto Armuelles has been calculated here.
Route by car
Air line (approximately)
381 kilometers 206 nautical miles