The calculated distance (air line) between Marcq-en-Barœul and Paris 18 Buttes-Montmartre is approximately 127 miles respectively 204 kilometers.
By car or train, the actual journey to Paris 18 Buttes-Montmartre is certainly longer, as only the direct route (as the crow flies) between Marcq-en-Barœul and Paris 18 Buttes-Montmartre has been calculated here.
Air line (approximately)
204 kilometers
110 nautical miles