The calculated distance (air line) between Jemeppe-sur-Sambre and Charleroi is approximately 10 miles respectively 17 kilometers.
By car or train, the actual journey to Charleroi is certainly longer, as only the direct route (as the crow flies) between Jemeppe-sur-Sambre and Charleroi has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles