The calculated distance (air line) between Hondarribia and Gasteiz / Vitoria is approximately 57 miles respectively 92 kilometers.
By car or train, the actual journey to Gasteiz / Vitoria is certainly longer, as only the direct route (as the crow flies) between Hondarribia and Gasteiz / Vitoria has been calculated here.
Air line (approximately)
92 kilometers
49 nautical miles