County Durham is not one neat dating area. Durham City is compact, hilly and heavily shaped by the university. A few miles away, the pace and social circles can feel entirely different. In former mining communities, people may have overlapping families, schools and workplaces; in the west of the county, ten miles on a map can mean a much longer trip along rural roads.
That makes a precise location more useful than a generous radius. Someone in Chester-le-Street may find central Durham straightforward by train, while a match between Barnard Castle and Seaham requires considerably more planning. Darlington has its own rail links and social centre, so people there may prefer to browse Darlington dating rather than treat Durham City as the default.
A practical match is not simply the nearest postcode. It is someone you can reach at the times you are both free.
Before starting a conversation, think about the journey rather than the mileage. Is there a direct train or bus? Would one person always have to drive? Does the route still work on a Sunday evening? The A1(M), A167 and A690 make some cross-county trips simple, but public transport becomes thinner outside the main towns.
Teesside is kept distinct through the Cleveland site. That boundary matters. People in Newton Aycliffe or Darlington may be open to meeting south of the county, but they should make that choice themselves rather than having Middlesbrough and Stockton quietly folded into every search.