Hertfordshire looks compact on a map. Try crossing it for a Wednesday evening date and it feels rather different. The county is shaped by rail lines running towards London, busy roads such as the A1(M), M1 and A414, and towns whose residents may look south for work but stay local for everything else.
On the western side, dating around Watford, St Albans, Hemel Hempstead and Berkhamsted often fits around commuting. People may work in London, yet have little appetite for returning there after getting home. A drink near St Albans City, Watford Junction or Berkhamsted station is usually more appealing than another journey into Zone 1.
Central and eastern Hertfordshire have their own patterns. Stevenage is straightforward for people living along the north-south rail line, while Hertford has two stations serving different routes. Bishop's Stortford naturally draws people from nearby east Hertfordshire villages, but it is not a casual hop from every western town. Royston, Ware, Hitchin, Letchworth Garden City, Hatfield and Welwyn Garden City each have practical local circles too.
The useful question is not “Are they in Hertfordshire?” It is “Could we meet after work without either of us resenting the journey?”
That is why a smaller, better-located pool can be more useful than thousands of profiles spread across a fifty-mile radius. Geography is not a fussy filter. It decides whether an interesting conversation can become an ordinary, repeatable part of life.