Route nationale 8a
Route information
Length	118 km (73 mi)
Major junctions
to end	Antsalova
Major intersections	from RN 1a  Madagascar
Location
Country	Madagascar
Highway system
Roads in Madagascar

Route nationale 8a (RN 8a) is a secondary highway of 118 km^[1] in Madagascar, running from Maintirano to Antsalova. It crosses the region of Melaky.

Selected locations on route

(north to south)

• Maintirano - (intersection with RN 1a )
• Antsalova (118 km)