It is Sydney Northshore to international airport. There is something funny about this, a couple of years back my house sits about 1km outside of range for domestic terminal, and 3km outside of international terminal (e.g. 28km from intl terminal). So I always have to do something doggy about the citi booking, where I have to set the pick up location 1km away from house and always have to go to the domestic terminal. Return trip is even harder, as picking up from international airport means I have to book the car to drop me off in a different suburbe and tell the driver to keep driving. This changed last year, where I can just book and there are no difference between Intl / Dom and I always fall within range.
Now, how did I discover these drivers and got these rates? I used an app called "皇包车“, it's a Chinese travelling app help Chinese speaking traveller to book tour guide / cars / pickup / drop off in foreign countires. I had a couple of discount coupons and used it a few times. Got the contact of the drivers and they told me I can use them for that price. I have used this in Sydney / Fiji / Japan / US - San Francisco.
I don't frequent Melbourne enough, but last time It's $50 from airport to city on a BMW 3 series.