- Kalamunda to Rottnest Island Authority
- Kallaroo to Rottnest Island Authority
- Karawara to Rottnest Island Authority
- Kardinya to Rottnest Island Authority
- Karnup to Rottnest Island Authority
- Karragullen to Rottnest Island Authority
- Karrakatta to Rottnest Island Authority
- Karrakup to Rottnest Island Authority
- Karrinyup to Rottnest Island Authority
- Kelmscott to Rottnest Island Authority
- Kensington to Rottnest Island Authority
- Kenwick to Rottnest Island Authority
- Keralup to Rottnest Island Authority
- Kewdale to Rottnest Island Authority
- Keysbrook to Rottnest Island Authority
- Kiara to Rottnest Island Authority
- Kingsley to Rottnest Island Authority
- Kinross to Rottnest Island Authority
- Koondoola to Rottnest Island Authority
- Kwinana Town Centre to Rottnest Island Authority
- Perth Airport to Rottnest Island Authority
- Rottnest Island Authority to Kalamunda
- Rottnest Island Authority to Kallaroo
- Rottnest Island Authority to Karawara
- Rottnest Island Authority to Kardinya
- Rottnest Island Authority to Karnup
- Rottnest Island Authority to Karragullen
- Rottnest Island Authority to Karrakatta
- Rottnest Island Authority to Karrakup
- Rottnest Island Authority to Karrinyup
- Rottnest Island Authority to Kelmscott
- Rottnest Island Authority to Kensington
- Rottnest Island Authority to Kenwick
- Rottnest Island Authority to Keralup
- Rottnest Island Authority to Kewdale
- Rottnest Island Authority to Keysbrook
- Rottnest Island Authority to Kiara
- Rottnest Island Authority to Kingsley
- Rottnest Island Authority to Kinross
- Rottnest Island Authority to Koondoola
- Rottnest Island Authority to Kwinana Town Centre
- Rottnest Island Authority to Perth Airport