- Kangaroo Point to The Darling
- Kareela to The Darling
- Katoomba to The Darling
- Kearns to The Darling
- Kellyville Ridge to The Darling
- Kellyville to The Darling
- Kemps Creek to The Darling
- Kensington to The Darling
- Kenthurst to The Darling
- Kentlyn to The Darling
- Killara to The Darling
- Killarney Heights to The Darling
- Killarney Vale to The Darling
- Kings Langley to The Darling
- Kings Park to The Darling
- Kingsford to The Darling
- Kingsgrove to The Darling
- Kingswood to The Darling
- Kirkham to The Darling
- Kirrawee to The Darling
- Kirribilli to The Darling
- Kogarah Bay to The Darling
- Kogarah to The Darling
- Ku-ring-gai Chase to The Darling
- Kurnell to The Darling
- Kyeemagh to The Darling
- Kyle Bay to The Darling
- Sydney Airport to The Darling
- The Darling to Kangaroo Point
- The Darling to Kareela
- The Darling to Katoomba
- The Darling to Kearns
- The Darling to Kellyville Ridge
- The Darling to Kellyville
- The Darling to Kemps Creek
- The Darling to Kensington
- The Darling to Kenthurst
- The Darling to Kentlyn
- The Darling to Killara
- The Darling to Killarney Heights
- The Darling to Killarney Vale
- The Darling to Kings Langley
- The Darling to Kings Park
- The Darling to Kingsford
- The Darling to Kingsgrove
- The Darling to Kingswood
- The Darling to Kirkham
- The Darling to Kirrawee
- The Darling to Kirribilli
- The Darling to Kogarah Bay
- The Darling to Kogarah
- The Darling to Ku-ring-gai Chase
- The Darling to Kurnell
- The Darling to Kyeemagh
- The Darling to Kyle Bay
- The Darling to Sydney Airport