The calculated distance (air line) between Świebodzin and Bydgoszcz is approximately 120 miles respectively 193 kilometers.
By car or train, the actual journey to Bydgoszcz is certainly longer, as only the direct route (as the crow flies) between Świebodzin and Bydgoszcz has been calculated here.
Air line (approximately)
193 kilometers
104 nautical miles