The calculated distance (air line) between Świebodzice and Bydgoszcz is approximately 172 miles respectively 277 kilometers.
By car or train, the actual journey to Bydgoszcz is certainly longer, as only the direct route (as the crow flies) between Świebodzice and Bydgoszcz has been calculated here.
Air line (approximately)
277 kilometers
149 nautical miles