The calculated distance (air line) between Fiľakovo and Dubnica nad Váhom is approximately 90 miles respectively 144 kilometers.
By car or train, the actual journey to Dubnica nad Váhom is certainly longer, as only the direct route (as the crow flies) between Fiľakovo and Dubnica nad Váhom has been calculated here.
Air line (approximately)
144 kilometers
78 nautical miles