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