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CA-K075Places & geography

The world’s longest international border

The Peace Arch at Peace Arch Park on the Canada–United States border, viewed from Surrey, British Columbia, in 2026; one point on the border.
The Peace Arch at Peace Arch Park on the Canada–United States border, viewed from Surrey, British Columbia, in 2026; one point on the border. Peace Arch (Canada–United States border) · Quintin Soloviev · Photo source · Photo licence: CC BY 4.0. Resized for display; item previews may be cropped. The image remains under the licence shown.
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Canada’s border with the United States is the world’s longest international border. Statistics Canada gives its length as 8,890 km.

Scope & context

The border’s length as reported in Statistics Canada’s archived 2012 Canada Year Book, not its history, crossings or boundary disputes.

Sources behind this record