90 Mile Straight (East)

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90 Mile Straight, Australia's Longest Straight Road, 146.6km, at the western end at Balladonia Western Australia
(picture of the western end sign)

The Eyre Highway between Balladonia and Caiguna in Western Australia is the longest straight stretch of road in Australia, at a long 146.6 kilometres or 90 miles.

The eastern end of the 90 Mile Straight is also the location and name of Hole 11 of the Nullarbor Golf Links Course Brown Sign link, the world’s longest golf course. The Caiguna Roadhouse, where the golf hole is located, is only 300m from the sign.

It would be the longest straight road in the world if it were not for Highway 10 in Saudi Arabia. Highway 10 is nearly twice as long at 162 miles or 262 kilometres.

The road goes through the Nullarbor Plain. The 1,675km Eyre Highway connects South Australia with Western Australia, from Port Augusta to Norseman.


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