The calculated distance (air line) between Isernhagen Farster Bauerschaft and Bielefeld is approximately 63 miles respectively 101 kilometers.
By car or train, the actual journey to Bielefeld is certainly longer, as only the direct route (as the crow flies) between Isernhagen Farster Bauerschaft and Bielefeld has been calculated here.
Air line (approximately)
101 kilometers
55 nautical miles