Leaving from Cape Town International Airport the 20km journey takes approximately 20-30 minutes depending on traffic.
Take the Airport Ring Rd to follow the N2 in the direction of Cape Town.
Follow the N2 till you see the sign for Cape Town where you turn Left at the 1b exit (signposted M60 Christiaan Barnard Street, Cape Town) taking you onto to Hertzog Blvd n Foreshore. At the end of this road you will turn left on to Heerengracht St. Going around the roundabout after which you will seeThe Onyx on your left at 57 Heerengracht St, Cape Town.