From Arlanda Norra train to Stockholm Central then train to Nynäs havsbad station. 1 h 39 min 242 kr. From Stockholm Airport (ARN) drive to Nynäshamn. 1 h 14 min 143 kr.
Train from Stockholm Airport (ARN) to Nynäshamn
Swedish Railways (SJ) operates a train from Stockholm Airport (ARN) to Nynäshamn every 10 minutes. Tickets cost $8 - $16 and the journey takes 20 min. Swedish Railways (SJ) also services this route every 30 minutes.