OP said “overseas”. Generally Canada and Mexico aren’t considered “overseas” from the US, since you can drive there. Probably most people would consider South America to be “overseas” from the US, but I think it’s more commonly used for routes that involve crossing an ocean: Europe, Asia, Africa, etc.
TIL the rest of the Americas don’t exist
OP said “overseas”. Generally Canada and Mexico aren’t considered “overseas” from the US, since you can drive there. Probably most people would consider South America to be “overseas” from the US, but I think it’s more commonly used for routes that involve crossing an ocean: Europe, Asia, Africa, etc.
Name a non-US country in the Americas that is not