The calculated distance (air line) between Ryazan’ and Novomichurinsk is approximately 41 miles respectively 66 kilometers.
By car or train, the actual journey to Novomichurinsk is certainly longer, as only the direct route (as the crow flies) between Ryazan’ and Novomichurinsk has been calculated here.
Air line (approximately)
66 kilometers
35 nautical miles