The calculated distance (air line) between Wiesbaden and Marburg an der Lahn is approximately 55 miles respectively 89 kilometers.
By car or train, the actual journey to Marburg an der Lahn is certainly longer, as only the direct route (as the crow flies) between Wiesbaden and Marburg an der Lahn has been calculated here.
Air line (approximately)
89 kilometers
48 nautical miles