Greenland and Maine are separated by the North Atlantic Ocean, so there is no land connection between them. However, if you're curious about the straight-line distance, the shortest route from southern Greenland (near Nuuk) to the coast of Maine (near Portland) is approximately 1,800 miles (2,900 kilometers). This distance can vary depending on the specific points measured. Greenland is an autonomous territory within the Kingdom of Denmark, situated between the Arctic and Atlantic Oceans, while Maine is the northeasternmost state in the United States. Travel between the two typically requires a flight or a long sea voyage.