Boundary Facts

Boundary on Land 5,061 km 3,145 miles

• Identified by a series of straight lines which intersect at boundary monuments
• 2,172 km through forest which requires clearing of a 6 metre vista, on a regular basis
• 5,528 boundary monuments
• 5,700 triangulation stations 
• shortest distance between two boundary monuments: 46 cm

Boundary on Water 3,830 km 2,380 miles

• Identified by a series of straight lines which intersect at unmarked turning points
• 5,723 Turning Points
• 2,457 Reference Monuments

Length of boundary by province

• New Brunswick- 513 km or 319 miles
• Québec- 813 km or 505 miles
• Ontario- 2,760 km or 1,715 miles
• Manitoba- 497 km or 309 miles
• Saskatchewan- 632 km or 393 miles
• Alberta- 298 km or 185 miles
• British Columbia-2,168 km or 1,347 miles
• Yukon- 1,210 km or 752 miles

Length of boundary by state

• Maine- 611 miles or 983 km
• New Hampshire- 58 miles or 93 km
• Vermont- 90 miles or 145 km
• New York- 445 miles 716 km
• Pennsylvania- 42 miles or 68 km
• Ohio- 146 miles or 235 km
• Michigan- 721 miles or 1,160 km
• Minnesota- 547 miles or 880 km
• North Dakota- 310 miles or 499 km
• Montana-545 miles or 877 km
• Idaho- 45 miles or 72 km
• Washington- 427 miles or 687 km
• Alaska- 1,538 miles or 2,475 km

Length of Canada- United States boundary from Atlantic to Pacific Oceans

• 6,416 km - 2 878 km of land + 3 538 km of water
• or
• 3,987 miles - 1,788 miles of land + 2,199 miles-water

Length of Canada-United States boundary from Pacific to Arctic Oceans

• 2,475 km - 2,183 km of land + 292 km of water
• or
• 1,538 miles - 1,357 miles of land + 181 miles of water

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