The calculated distance (air line) between Río Viejo Primera Sección and Tuxtla is approximately 82 miles respectively 132 kilometers.
By car or train, the actual journey to Tuxtla is certainly longer, as only the direct route (as the crow flies) between Río Viejo Primera Sección and Tuxtla has been calculated here.
Air line (approximately)
132 kilometers
71 nautical miles