Canberra is about 114 km from the ocean.
If you're driving to a town near the beach or coastline, you could try Tomakin.
How far is Durham, NC from the ocean
How far is Charlottesville from the ocean
How far is Muir Beach from the ocean
How far is Anchorage from the ocean
How far is Bar Harbor from the ocean
How far is Kailua Kona from the ocean
How far is Amarillo from the ocean
How far is Lexington from the ocean
How far is Winter Park, FL from the ocean
How far is San Gimignano from the ocean