The calculated distance (air line) between Sderot and Petaẖ Tiqva is approximately 42 miles respectively 68 kilometers.
By car or train, the actual journey to Petaẖ Tiqva is certainly longer, as only the direct route (as the crow flies) between Sderot and Petaẖ Tiqva has been calculated here.
Air line (approximately)
68 kilometers
37 nautical miles