Originally Posted by Machka

I was thinking about this while we rode today ... it'll be a bit of a list ...

So in no particular order, and I may add to it as I think of more cities ...

UK
London -- I found cycling there to be exhilarating, heart in mouth stuff. There's no dilly-dallying about ... you've got to be the traffic and you've got to be aggressive, determined, and confident. But I've enjoyed cycling there.
Edinburgh -- relaxed and pleasant ... really enjoyed cycling throughout Scotland
Birmingham (skirted around the edge)
Bristol
Newcastle Upon Tyne
Nottingham
Plymouth
Portsmouth
Inverness

France
Paris
Bordeaux
Strasbourg
Lille
Brest
Metz
Caen
Perpignan
Nancy
Calais
La Rochelle
Dunkirk
Toulouse (very briefly)

Germany
Cologne
Dusseldorf
Duisburg (around the edge)
Bonn
Koblenz
(possibly more in Germany ... all along the Rhine)

The Netherlands
Amsterdam
Arnhem
Utrecht

Belgium
Ypres

Luxembourg
Luxembourg City

Switzerland
Sion (just to the edge of town)

Australia
Sydney
Melbourne
Hobart
Canberra
Brisbane

Canada
Winnipeg
Calgary
Edmonton
Regina

USA
San Diego

Taiwan
Hualien