If you are driving from Stockholm, take expressway 73 a distance of 37.5 miles to Nynäshamn. Travel to Telia Road / Nynäsvägen which leads directly to the Stena Line ferry terminal.
If you are driving from the west or south Sweden, take road 225 between Södertälje (E4) and Nynashamn (about 31 miles). Continue through Nynashamn to Nynäsvägen and then take the first right turn, about 150 yards, which leads to the ferry terminal.
It is also possible to continue on the E4 expressway towards Haninge and then take route 259 from Haninge to Nynashamn. This is a better route, but it is about 12.5 miles further.
Please note that check-in also takes place in the cargo terminal, follow signs for freight vehicles.