Stockholm Arlanda Airport (ARN)
Stockholm-Arlanda airport is located 23 miles north of Stockholm. Train service from the airport to the main station in Stockholm is provided by Arlanda Express. There is also bus service available.
Go to Stockholm Google Maps to input travel times when you will be in Stockholm.
The following link has some useful information. I only receive commission on hotel bookings. Please use the above Viator links to book sightseeing tours and other activities. I will appreciate it. Stockholm - What You Need to Know Before You Go