The calculated distance (air line) between Sankt Veit an der Glan and Geidorf is approximately 56 miles respectively 89 kilometers.
By car or train, the actual journey to Geidorf is certainly longer, as only the direct route (as the crow flies) between Sankt Veit an der Glan and Geidorf has been calculated here.
Air line (approximately)
89 kilometers
48 nautical miles