Highlight the following paragraph and paste into
http://gc.kls2.com paths window if'n you go to FACT. Gives a ruff idea.
EGLL-N51.053337 W0.623345-N50.701668 W0.250025-N50.452225 E0.012231-N49.856667 E0.619998-N48.975269 E1.486115-N48.6539 E1.995006-N48.155567 E2.265565-N47.153061 E2.930002-N45.789448 E3.178611-N44.763599 E3.554442-N43.580276 E3.971107-N40.946667 E5.689995-N39.000008 E6.088336-N36.29166 E6.608341-N33.511112 E6.779165-N28.136116 E6.835277-N26.000004 E7.083328-N23.533337 E7.366676-N20.966656 E7.7-N16.972782 E8.013604-N12.036939 E8.497217-N5.699995 E9.299992-N4.499996 E9.566668-N3.994989 E9.745002-S4.823921 E11.888323-S5.616696 E12.199996-S6.133354 E12.366657-S8.843908 E13.250284-S22.476976 E17.471395-S26.537239 E18.114437-S31.380022 E19.071665-S33.413349 E19.187773-FACT
I do not accept responsibility for unidirectionality or currency of waypoints in the following and I know you want to go to JNB but hey this will help you trace your way to a better destination. CSO by the way is Constantine, the walled city. Worth a look.
EGLL-MID-BOGNA-BENBO-VEULE-BAMES-RBT-PTV-NEV-CMF-
MAGER-FJR-BALEN-KAMER-CSO-ELO-BOD-ATAFA-MELOG-ERKEL
AS-KA-MF-TJJ-DLA-IT-VCA-SZ-VNA-WHV-KTV-NVV-WY-FACT