- Kallista to Quest Caroline Springs
- Kalorama to Quest Caroline Springs
- Kangaroo Ground to Quest Caroline Springs
- Kealba to Quest Caroline Springs
- Keilor Downs to Quest Caroline Springs
- Keilor East to Quest Caroline Springs
- Keilor Lodge to Quest Caroline Springs
- Keilor North to Quest Caroline Springs
- Keilor Park to Quest Caroline Springs
- Keilor to Quest Caroline Springs
- Kensington to Quest Caroline Springs
- Kew East to Quest Caroline Springs
- Kew to Quest Caroline Springs
- Keysborough to Quest Caroline Springs
- Kilsyth South to Quest Caroline Springs
- Kilsyth to Quest Caroline Springs
- Kings Park to Quest Caroline Springs
- Kingsbury to Quest Caroline Springs
- Kingsville to Quest Caroline Springs
- Knoxfield to Quest Caroline Springs
- Koo Wee Rup to Quest Caroline Springs
- Kooyong to Quest Caroline Springs
- Melbourne Airport to Quest Caroline Springs
- Quest Caroline Springs to Kallista
- Quest Caroline Springs to Kalorama
- Quest Caroline Springs to Kangaroo Ground
- Quest Caroline Springs to Kealba
- Quest Caroline Springs to Keilor Downs
- Quest Caroline Springs to Keilor East
- Quest Caroline Springs to Keilor Lodge
- Quest Caroline Springs to Keilor North
- Quest Caroline Springs to Keilor Park
- Quest Caroline Springs to Keilor
- Quest Caroline Springs to Kensington
- Quest Caroline Springs to Kew East
- Quest Caroline Springs to Kew
- Quest Caroline Springs to Keysborough
- Quest Caroline Springs to Kilsyth South
- Quest Caroline Springs to Kilsyth
- Quest Caroline Springs to Kings Park
- Quest Caroline Springs to Kingsbury
- Quest Caroline Springs to Kingsville
- Quest Caroline Springs to Knoxfield
- Quest Caroline Springs to Koo Wee Rup
- Quest Caroline Springs to Kooyong
- Quest Caroline Springs to Melbourne Airport