Liverpool now have a club record 31 games unbeaten, with 22 victories from their last 23 Premier League matches, including Saturday's grinding 2-1 defeat of Brighton.
"The gap doesn't mean anything," said Van Dijk.
"We are in a good situation points-wise but we know we can do maybe that extra 10 per cent still. We try to do it every week but it is not easy.
"The only thing we can do is to try. Hopefully, it will work out but the most important thing is to win games."