Gyms on the map: over 3100 fitness centres in Finland, from chains to municipal halls, by municipality. Free, no login and no paywall.
3 122 places in
The map shows 28 gyms in Porvoo. This is the number of places in this service, not an official total for the municipality.
23 places have parking within 500 metres (typically 80 m) and 27 places have a bus stop nearby (typically 100 m). Distances are measured to the nearest parking area and bus stop marked on the map.
EasyFit Porvoo is right in the city centre. The farthest is about 16 km away.
Hinthaaran sivistyskeskus, HYPE Center, GOGO Express Porvoo, PTVGym. These have their own description, a photo or a Wikipedia article, so the place page offers background beyond the location alone.
On the place's own page. 26 places in Porvoo have a link to their own website and 22 have a phone number. The most up-to-date information is always on the place's own site.