Route nationale 31 (Madagascar)

Route nationale 31 (RN 31) is a primary highway in Madagascar of 129 km, running from Bealanana to the junction with the RN 6 near Andrafia.

It is entirely in the Sofia Region.

Selected locations on route (from northeast to southwest)

 * Bealanana
 * Ambatosia
 * Antsohihy near Andrafia - (intersection with RN 6 to Antsiranana or Mahajanga)