The calculated distance (air line) between Champigny-sur-Marne and Saint-Maur-des-Fossés is approximately 2 miles respectively 3 kilometers.
By car or train, the actual journey to Saint-Maur-des-Fossés is certainly longer, as only the direct route (as the crow flies) between Champigny-sur-Marne and Saint-Maur-des-Fossés has been calculated here.
Air line (approximately)
3 kilometers
1 nautical miles