The N4 is a national route in South Africa that runs from Skilpadshek on the Botswana border, past Rustenburg, Pretoria, eMalahleni and Mbombela, to Komatipoort on the Mozambique border.
The N4 national road commences at Skilpadshek on the Botswana border, traverses Rustenburg, Pretoria, eMalahleni, and Mbombela, before reaching Komatipoort on the Mozambique border.