The calculated distance (air line) between Kežmarok and Mszana Dolna is approximately 40 miles respectively 65 kilometers.
By car or train, the actual journey to Mszana Dolna is certainly longer, as only the direct route (as the crow flies) between Kežmarok and Mszana Dolna has been calculated here.
Air line (approximately)
65 kilometers
35 nautical miles