Counting places where I’ve spent some time

Washington DC
Quito
Caracas
Oslo
London
Paris
Madrid
Rome
Warsaw
Brussels
Beijing
Seoul
Delhi
And just added Lisbon

So I’m 6 short.

If I also include air transit stops

Copenhagen
Stockholm
Amsterdam
Reykjavik

Still 2 short.

Singapore, Kuala Lumpur, Berlin, Moscow, Dublin, Cairo, Wellington would be nice to add to the list.