For that indicator, The World Bank provides data for Gabon from 1995 to 2018. The average value for Gabon during that period was 792 km with a minimum of 683 km in 1995 and a maximum of 814 km in 1996.
The latest value from 2018 is 810 km. For comparison, the world average in 2018 based on 47
countries is 15034 km.
See the global rankings for that indicator or
use the country comparator to compare trends over time.