The calculated distance (air line) between Grande Rivière du Nord and Cap-Haïtien is approximately 13 miles respectively 20 kilometers.
By car or train, the actual journey to Cap-Haïtien is certainly longer, as only the direct route (as the crow flies) between Grande Rivière du Nord and Cap-Haïtien has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles