From the south, follow the motorway network to Perth. Then choose between the Deeside Tourist Route (A93) or the dual carriageway trunk route (A90).
Follow the A93 to Dinnet and follow signs to the A97 to Huntly. Left then onto the A96 and right onto the A95 at Keith. Thereafter follow the B9018 and A98 to Cullen
On the A90 route travel to Aberdeen and follow the route signs for the A96 to Bucksburn where you bear right onto the A947. At Turriff bear left onto the B9025 to Peatknowe then left onto the A98 and on to Cullen.