From the central station, it takes you only 6 minutes.If you get out of the building walk right and then directly to the left to the Südtiroler Platz. After about 130m turn right onto Fanny-von-Lehnert-Street. From there it takes you just 300m until you can see the A&O Salzburg on the left-hand side.
If you arrive at the main station you can walk the way to the A&O (see walking direction)
From the bus station: The long-distance coaches arrive on the east side of the main station. The fastest way to get to the A&O is to walk. Go southwesterly along the Lastenstraße. Turn right onto Südtiroler Platz. You are now standing infront oft he central station. From there you can follow the description above (walking direction).
From the airport: You can take the Obus 2 in direction to Salzburg Obergnigl. After 19 minutes you arrive at the central station. From there you can walk the way to the A&O. Alternatively you can also take the Obus 10 (to Sam Lankessiedlung). Get out at „Salzburg Airport Kröbenfeldstraße“ an take the lokal bus 180 (to Salzburg Hauptbahnhof). From there you can walk to the A&O Salzburg.