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