The calculated distance (air line) between Fuhlsbüttel and Rothenburgsort is approximately 7 miles respectively 11 kilometers.
By car or train, the actual journey to Rothenburgsort is certainly longer, as only the direct route (as the crow flies) between Fuhlsbüttel and Rothenburgsort has been calculated here.
Air line (approximately)
11 kilometers
6 nautical miles