The calculated distance (air line) between Środa Śląska and Bydgoszcz is approximately 148 miles respectively 238 kilometers.
By car or train, the actual journey to Bydgoszcz is certainly longer, as only the direct route (as the crow flies) between Środa Śląska and Bydgoszcz has been calculated here.
Air line (approximately)
238 kilometers
129 nautical miles