The A9 is the longest Scottish road, at 273 miles (439 km). It
is also the fifth-longest A-road in the UK.
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265 miles taking this route:
Take A90 & M90 FORTH ROAD BRIDGE, from Edinburgh, up to A9 INVERNESS at J10 near Perth. Follow signs to A9(N) INVERNESS.
Take A9 up to Scrabster.
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The longest road in Scotland is the A9. It is 273 miles in
length (439 kilometers). The A1 is the longest road in the United
Kingdom, covering 410 miles (660 kilometers).
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160 miles taking this route:
Start off on A90 towards the FORTH ROAD BRIDGE.
Once you are across the Forth Road Bridge, A90 will become M90; continue on M90 to A9 INVERNESS at J10.