The map above shows Guam and Northern Territory side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Guam vs Northern Territory Geography
Land area: Guam has a land area of 210 square miles (544 km²), while Northern Territory has 520,902 square miles (1,349,129 km²). Northern Territory's land area is 2,480.0 times larger than Guam's.
Total area: Guam: 210 square miles (544 km²) vs Northern Territory: 520,902 square miles (1,349,129 km²), including inland and coastal water. Northern Territory's total area is 2,480.0 times larger than Guam's.
Length: Guam is 27 miles (43 km) long from north to south; Northern Territory is 1,092 miles (1,758 km). Northern Territory's north-south length is 40.4 times longer than Guam's.
Width: Guam spans 22 miles (35 km) east to west; Northern Territory spans 610 miles (981 km). Northern Territory's east-west width is 27.7 times wider than Guam's.
Highest point: Guam's highest point is Mount Lamlam at 1,332 feet (406 m); Northern Territory's is Mount Zeil at 5,023 feet (1,531 m). Mount Zeil is 3,691 feet higher than Mount Lamlam.
Lowest point: Guam's lowest point is Pacific Ocean at 0 feet; Northern Territory's is Timor Sea at 0 feet. Both lowest points are at or near sea level.
Guam vs Northern Territory Population and History
Population: Guam has a population of 153,836 (2020), while Northern Territory has 265,457 (2025). Northern Territory's population is 1.7 times (73%) larger than Guam's.
Population density: Guam: 732.6 people per square mile vs Northern Territory: 0.5. Guam's population density is 1,465.2 times higher than Northern Territory's.
History: Guam: A US territory since 1898. Northern Territory: Became a federal territory on January 1, 1911; self-governing since 1978. In its current form, Guam is the older of the two by 13 years.
Official Websites
Guam official website · Northern Territory official website
More Size Comparisons
All Guam size comparisons · All Northern Territory size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.