The calculated distance (air line) between Thiais and Limeil-Brévannes is approximately 4 miles respectively 7 kilometers.
By car or train, the actual journey to Limeil-Brévannes is certainly longer, as only the direct route (as the crow flies) between Thiais and Limeil-Brévannes has been calculated here.
Air line (approximately)
7 kilometers
4 nautical miles