The calculated distance (air line) between Sankt Veit an der Glan and Eggenberg is approximately 53 miles respectively 86 kilometers.
By car or train, the actual journey to Eggenberg is certainly longer, as only the direct route (as the crow flies) between Sankt Veit an der Glan and Eggenberg has been calculated here.
Air line (approximately)
86 kilometers
46 nautical miles