The calculated distance (air line) between Frankfurt am Main and Veltheim (Kreis 5) is approximately 180 miles respectively 289 kilometers.
By car or train, the actual journey to Veltheim (Kreis 5) is certainly longer, as only the direct route (as the crow flies) between Frankfurt am Main and Veltheim (Kreis 5) has been calculated here.
Air line (approximately)
289 kilometers
156 nautical miles