5Z 511 then 4Z 143 at Johannesburg
Kimberley → Johannesburg → Walvis Bay
Timetable, Johannesburg time
16:555Z 511 from Kimberley at the gate
14:054Z 143 to Walvis Bay leaves the gate
21 h 10 apart on the timetable, overnight
4Z 143 leaves 21 h 10 after 5Z 511 arrives on the timetable: more than half a day, so not a connection we count.