The calculated distance (air line) between Rebecq-Rognon and Charleroi is approximately 22 miles respectively 36 kilometers.
By car or train, the actual journey to Charleroi is certainly longer, as only the direct route (as the crow flies) between Rebecq-Rognon and Charleroi has been calculated here.
Air line (approximately)
36 kilometers
19 nautical miles