A man has been charged after he allegedly drove an alleged fugitive from NSW to the Northern Territory in a camper van last month.

The 46-year-old was arrested in Nhulunby, a small town in north-east Arnhem land, on February 2.

The Australian Federal Police will allege in court that the man drove to Sydney to collect a man who allegedly escaped from a rehab facility in Swan Bay, north of Newcastle.

AFP arrests suspected fugitive.
The man who had allegedly escaped from the rehab centre was arrested by Border Force oficials on January 26.  (Nine)

It will be alleged in court that the pair then drove about 4600km in a camper van to Queensland and then to the Northern Territory via the Central Arnhem Road.

The man who had allegedly escaped from the rehab centre was arrested by Border Force officials on January 26. 

He was arrested on board a boat sailing north from Nhulunby in the Arafura Sea.

The AFP will allege was part of a drug-importing syndicate.

The Irish national was arrested almost a week later on February 2 in Nhulunby.

He was charged with one count of providing support for people smuggling.

He was expected to appear in Darwin Local Court Today.