The calculated distance (air line) between Zelenikovo and Gjorče Petro is approximately 15 miles respectively 24 kilometers.
By car or train, the actual journey to Gjorče Petro is certainly longer, as only the direct route (as the crow flies) between Zelenikovo and Gjorče Petro has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles