Pompey will be backed by more than 2,000 fans for Saturday's League One game at Blackpool's Bloomfield Road.
Another sold-out away end is guaranteed to cheer John Mousinho's side on as they bid to take another step towards the League One title and the return of Championship football to Fratton Park next season.
That loyalty on the road has been on display all term, with the Blues probably able to sell even more tickets away from home if opponents had let them. But how does Pompey's away average attendance compare to the rest of the teams in the division? Well, we got our calculator out again to find out. Here's what we discovered.
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