The calculated distance (air line) between Ágios Pávlos and Petroúpolis is approximately 184 miles respectively 296 kilometers.
By car or train, the actual journey to Petroúpolis is certainly longer, as only the direct route (as the crow flies) between Ágios Pávlos and Petroúpolis has been calculated here.
Air line (approximately)
296 kilometers
160 nautical miles