The calculated distance (air line) between Jánoshalma and Budapest XXI. kerület is approximately 79 miles respectively 127 kilometers.
By car or train, the actual journey to Budapest XXI. kerület is certainly longer, as only the direct route (as the crow flies) between Jánoshalma and Budapest XXI. kerület has been calculated here.
Air line (approximately)
127 kilometers
69 nautical miles