The map above shows Guam and Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Guam vs Wales Geography
Land area: Guam has a land area of 210 square miles (544 km²), while Wales has 8,023 square miles (20,779 km²). Wales' land area is 38.2 times larger than Guam's.
Total area: Guam: 210 square miles (544 km²) vs Wales: 8,023 square miles (20,779 km²), including inland and coastal water. Wales' total area is 38.2 times larger than Guam's.
Length: Guam is 27 miles (43 km) long from north to south; Wales is 149 miles (239 km). Wales' north-south length is 5.5 times (452%) longer than Guam's.
Width: Guam spans 22 miles (35 km) east to west; Wales spans 111 miles (179 km). Wales' east-west width is 5.0 times (405%) wider than Guam's.
Highest point: Guam's highest point is Mount Lamlam at 1,332 feet (406 m); Wales's is Snowdon (Yr Wyddfa) at 3,560 feet (1,085 m). Snowdon (Yr Wyddfa) is 2,228 feet higher than Mount Lamlam.
Lowest point: Guam's lowest point is Pacific Ocean at 0 feet; Wales's is Irish Sea at 0 feet. Both lowest points are at or near sea level.
Guam vs Wales Population and History
Population: Guam has a population of 153,836 (2020), while Wales has 3,105,000 (2022). Wales' population is 20.2 times larger than Guam's.
Population density: Guam: 732.6 people per square mile vs Wales: 387.0. Guam's population density is 1.9 times (89%) higher than Wales'.
History: Guam: A US territory since 1898. Wales: A country within the United Kingdom; formally joined with England by the Laws in Wales Acts of 1536. In its current form, Wales is the older of the two by 362 years.
Official Websites
Guam official website · Wales official website
More Size Comparisons
All Guam size comparisons · All Wales 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.