The calculated distance (air line) between Wiesbaden and Limburg an der Lahn is approximately 23 miles respectively 36 kilometers.
By car or train, the actual journey to Limburg an der Lahn is certainly longer, as only the direct route (as the crow flies) between Wiesbaden and Limburg an der Lahn has been calculated here.
Air line (approximately)
36 kilometers
20 nautical miles