The calculated distance (air line) between Okinawa Uno and San Ignacio de Velasco is approximately 146 miles respectively 234 kilometers.
By car or train, the actual journey to San Ignacio de Velasco is certainly longer, as only the direct route (as the crow flies) between Okinawa Uno and San Ignacio de Velasco has been calculated here.
Air line (approximately)
234 kilometers
126 nautical miles