The calculated distance (air line) between Pont-à-Mousson and Saint-Nicolas-de-Port is approximately 22 miles respectively 36 kilometers.
By car or train, the actual journey to Saint-Nicolas-de-Port is certainly longer, as only the direct route (as the crow flies) between Pont-à-Mousson and Saint-Nicolas-de-Port has been calculated here.
Air line (approximately)
36 kilometers
19 nautical miles