The calculated distance (air line) between Sečovce and Nové Zámky is approximately 168 miles respectively 271 kilometers.
By car or train, the actual journey to Nové Zámky is certainly longer, as only the direct route (as the crow flies) between Sečovce and Nové Zámky has been calculated here.
Air line (approximately)
271 kilometers
146 nautical miles