The N4 then continues eastwards from Pretoria to reach the Mozambique border at Komatipoort (a distance of 415 km), as part of the Maputo Corridor, completing the route from Walvis Bay to Maputo.
The N4 road connects Pretoria and the Mozambique border at Komatipoort, forming a segment of the Maputo Corridor that links Walvis Bay to Maputo.