The longest continuous north-south distance on land is 7,590 km (4,720 mi) along the meridian 99°1'30"E, stretching from the northern tip of Siberia in the Russian Federation (76°13′6″N 99°1′30″E) through Mongolia, China, and Myanmar, to a point on the south coast of Thailand (7°53′24″N 99°1′30″E).
This meridian cuts through diverse landscapes and climates, showcasing the vastness of the Earth. The journey from the frozen tundra of Siberia to the tropical beaches of Thailand provides a fascinating glimpse of the planet's geographical and ecological diversity.
