The calculated distance (air line) between Ginsheim-Gustavsburg and Kelsterbach is approximately 10 miles respectively 17 kilometers.
By car or train, the actual journey to Kelsterbach is certainly longer, as only the direct route (as the crow flies) between Ginsheim-Gustavsburg and Kelsterbach has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles