The calculated distance (air line) between Oud-Beijerland and Apeldoorn is approximately 71 miles respectively 115 kilometers.
By car or train, the actual journey to Apeldoorn is certainly longer, as only the direct route (as the crow flies) between Oud-Beijerland and Apeldoorn has been calculated here.
Air line (approximately)
115 kilometers
62 nautical miles