The calculated distance (air line) between Néoi Epivátes and Petroúpolis is approximately 175 miles respectively 281 kilometers.
By car or train, the actual journey to Petroúpolis is certainly longer, as only the direct route (as the crow flies) between Néoi Epivátes and Petroúpolis has been calculated here.
Air line (approximately)
281 kilometers
152 nautical miles