most walkable:

Venezia
roma
firenze
perugia
bologna
pompeii
capri

San Francisco / Oakland
nevada city
grass valley
tahoe city
portland
chicago
boston / Cambridge
Washington dc
manhattan / Brooklyn / queens (not sure of Bronx / staten)

dublin
paris
london
manchester
glasgow
edinburgh
ox4
bruxelles
leuven
amsterdam

nuernberg
muenchen
hamburg
dortmund
aachen
koeln
dusseldorf

hong kong
taipei
chiayi