Kurz | Name | Verlauf | Länge |
| R21 | Pretoria – Boksburg | 0070 km |
| R22 | Hluhluwe – Mbazwana – Kwangwanase – Kosi Bay – Grenze zu Mosambik | 0164 km |
| R23 | Kempton Park – Benoni – Heidelberg – Standerton – Volksrust | 0250 km |
| R24 | Rustenburg – Magaliesburg – Krugersdorp – Johannesburg – Flughafen Johannesburg | 0150 km |
| R25 | Johannesburg – Kempton Park – Bronkhorstspruit – Groblersdal | 0197 km |
| R26 | Rouxville – Zastron – Ladybrand – Ficksburg – Bethlehem – Villiers | 0492 km |
| R27 | Kapstadt – Milnerton – Melkbosstrand – Velddrif – unterbrochen – Vredendal – Vanrhynsdorp – Calvinia – Kenhardt – Keimoes (– Upington) | 0856 km |
| R28 | Krugersdorp – Randfontein – Vereeniging | 0100 km |
| R29 | Johannesburg – Germiston – Boksburg – Benoni – Springs – Leandra | 0100 km |
| R30 | Bloemfontein – Welkom – Klerksdorp – Ventersdorp – Rustenburg | 0470 km |
| R31 | Grenze nach Namibia – Rietfontein – Hotazel – Kuruman – Barkly West – Kimberley | 0635 km |
| R33 | Lephalale – Modimolle – Groblersdal – eMakhazeni – Piet Retief – Vryheid – Dundee – Greytown – Pietermaritzburg | 0994 km |
| R34 | Vryburg – Bloemhof – Odendaalsrus – Kroonstad – Heilbron – Newcastle – Vryheid – Melmoth – Empangeni – Richards Bay | 0974 km |
| R35 | Middelburg – Bethal – Amersfoort | 0163 km |
| R36 | (Louis Trichardt) – Tzaneen – Mashishing – eNtokozweni – Ermelo | 0450 km |
| R37 | Polokwane – Mashishing – Mbombela | 0302 km |
| R38 | Standerton – Bethal – Carolina – Barberton – Kaapmuiden | 0323 km |
| R39 | Standerton – Ermelo | 0092 km |
| R40 | Phalaborwa – Hoedspruit – Hazyview – Mbombela – Barberton – Grenze nach Eswatini | 0308 km |
| R41 | Randfontein – Roodepoort – Johannesburg | 0040 km |
| R42 | Vanderbijlpark – Vereeniging – Heidelberg – Delmas – Bronkhorstspruit | 0175 km |
| R43 | Ceres – Worcester – Villiersdorp – Hermanus – Gansbaai | 0215 km |
| R44 | Piketberg – Porterville – Wellington – Stellenbosch – Somerset West – Kleinmond | 0220 km |
| R45 | Saldanha – Vredenburg – Malmesbury – Paarl – Franschhoek – Villiersdorp | 0222 km |
| R46 | Malmesbury – Tulbagh – Ceres – Touwsrivier | 0170 km |
| R47 | Mahikeng – Zeerust – Grenze nach Botswana nahe Gaborone | 0180 km |
| R48 | De Aar – Luckhoff – Petrusburg | 0250 km |
| R50 | Pretoria – Delmas – Standerton | 0195 km |
| R51 | Bapsfontein – Springs – Balfour – (Villiers) | 0140 km |
| R52 | Sannieshof – Lichtenburg – Rustenburg | 0190 km |
| R53 | Swartruggens – Ventersdorp – Potchefstroom – Parys | 0195 km |
| R54 | Potchefstroom – Vereeniging – Villiers | 0175 km |
| R55 | Pretoria – Centurion – Sandton | 0050 km |
| R56 | Middelburg – Molteno – Nqanqarhu – Kokstad – Pietermaritzburg | 0767 km |
| R57 | Vanderbijlpark – Sasolburg – Heilbron – Reitz – Phuthaditjhaba | 0255 km |
| R58 | Colesberg – Aliwal North – Barkly East – Elliot | 0361 km |
| R59 | Dealesville – Bothaville – Parys – Sasolburg – Vereeniging – Alberton | 0456 km |
| R60 | Worcester – Robertson – Ashton – Swellendam | 0116 km |
| R61 | Beaufort West – Graaff-Reinet – Cradock – Queenstown – Mthatha – Bizana – Port Shepstone | 1037 km |
| R62 | Ashton – Ladismith – Oudtshoorn – Joubertina – Humansdorp | 0530 km |
| R63 | Calvinia – Victoria West – Graaff-Reinet – Somerset East – Qonce – Komga | 0960 km |
| R64 | Kimberley – Dealesville – Bloemfontein | 0179 km |
| R65 | Ermelo – Amsterdam – Sandlane – Grenze nach Eswatini | 0093 km |
| R66 | KwaGingindlovu – Eshowe – Ulundi – Pongola | 0250 km |
| R67 | Port Alfred – Makhanda – Queenstown, über den Ecca-Pass | 0275 km |
| R68 | Melmoth – Dundee – Glencoe | 0186 km |
| R69 | Vryheid – Louwsburg – Mkuze | 0164 km |
| R70 | Odendaalsrus – Ventersburg – Senekal – Ficksburg | 0195 km |
| R71 | Polokwane – Tzaneen – Phalaborwa | 0210 km |
| R72 | Gqeberha – Port Alfred – East London | 0235 km |
| R73 | Welkom – Winburg | 0083 km |
| R74 | Harrismith – Bergville – Colenso – Greytown – KwaDukuza | 0347 km |
| R75 | Graaff-Reinet – Jansenville – Kariega – Gqeberha | 0255 km |
| R76 | Orkney – Kroonstad – Bethlehem | 0240 km |
| R80 | Pretoria – Soshanguve | 0034 km |
| R81 | Polokwane – Giyani – Thohoyandou | 0220 km |
| R82 | Johannesburg – Vereeniging – Sasolburg – Kroonstad | 0208 km |