Longest maritime boundary

According to Official Guinness Records,

The longest maritime boundary is that between the Danish dependent territory of Greenland and Canada at 2,697 km 1,676 miles.

For a complete list of Unknown date records, please visit Unknown date Guinness Records in Greenland.

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Other Links

• Mass lectures for today February 9 2026: Biblical passages and readings (Psalm, Gospel) for the Catholic mass of yesterday, today and tomorrow.
• Time difference between Greenland and United Kingdom: Information about time zones and time difference between countries Greenland and United Kingdom. The time shown here apply Daylight Saving Time when required.
• UTC Offset by Country: UTC offset in main cities and countries around the world.