The calculated distance (air line) between Wijk bij Duurstede and Zoetermeer is approximately 37 miles respectively 59 kilometers.
By car or train, the actual journey to Zoetermeer is certainly longer, as only the direct route (as the crow flies) between Wijk bij Duurstede and Zoetermeer has been calculated here.
Air line (approximately)
59 kilometers
32 nautical miles