The calculated distance (air line) between Şimleu Silvaniei and Satu Mare is approximately 39 miles respectively 63 kilometers.
By car or train, the actual journey to Satu Mare is certainly longer, as only the direct route (as the crow flies) between Şimleu Silvaniei and Satu Mare has been calculated here.
Air line (approximately)
63 kilometers
34 nautical miles