The calculated distance (air line) between Nieder-Ingelheim and Kirchheimbolanden is approximately 22 miles respectively 35 kilometers.
By car or train, the actual journey to Kirchheimbolanden is certainly longer, as only the direct route (as the crow flies) between Nieder-Ingelheim and Kirchheimbolanden has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles