The calculated distance (air line) between Belém and Igarapé Miri is approximately 48 miles respectively 77 kilometers.
By car or train, the actual journey to Igarapé Miri is certainly longer, as only the direct route (as the crow flies) between Belém and Igarapé Miri has been calculated here.
Air line (approximately)
77 kilometers
41 nautical miles