The calculated distance (air line) between Pereslavl’-Zalesskiy and Ryazan’ is approximately 150 miles respectively 241 kilometers.
By car or train, the actual journey to Ryazan’ is certainly longer, as only the direct route (as the crow flies) between Pereslavl’-Zalesskiy and Ryazan’ has been calculated here.
Air line (approximately)
241 kilometers
130 nautical miles