The calculated distance (air line) between Tilburg and Alphen aan den Rijn is approximately 44 miles respectively 70 kilometers.
By car or train, the actual journey to Alphen aan den Rijn is certainly longer, as only the direct route (as the crow flies) between Tilburg and Alphen aan den Rijn has been calculated here.
Air line (approximately)
70 kilometers
38 nautical miles