Try using the distance option instead?
If you are leery of international shipping costs, be careful not to choose a seller who used the Global Shipping Program.
If you search on a mobile (and that may be the basic problem you are having with location) this doesn't work but if you Search on a laptop or desktop, using List View, any lot with these words:
Customs services and international tracking provided
will charge you duty, sales tax and a service fee before the seller is allowed to ship.
This is a Buyer Protection program, and does nothing for buyers.
Any purchase over $20Cdn (~$16USD) will be charged.