The calculated distance (air line) between Remseck am Neckar and Wiesbaden is approximately 95 miles respectively 154 kilometers.
By car or train, the actual journey to Wiesbaden is certainly longer, as only the direct route (as the crow flies) between Remseck am Neckar and Wiesbaden has been calculated here.
Air line (approximately)
154 kilometers
83 nautical miles