The map above shows Ontario and Spain side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Ontario vs Spain Geography
Land area: Ontario has a land area of 354,342 square miles (917,741 km²), while Spain has 192,657 square miles (498,980 km²). Ontario's land area is 1.8 times (84%) larger than Spain's.
Total area: Ontario: 415,598 square miles (1,076,395 km²) vs Spain: 195,364 square miles (505,990 km²), including inland and coastal water. Ontario's total area is 2.1 times (113%) larger than Spain's.
Length: Ontario is 1,085 miles (1,747 km) long from north to south; Spain is 546 miles (879 km). Ontario's north-south length is 2.0 times (99%) longer than Spain's.
Width: Ontario spans 1,013 miles (1,630 km) east to west; Spain spans 697 miles (1,122 km). Ontario's east-west width is 1.5 times (45%) wider than Spain's.
Highest point: Ontario's highest point is Ishpatina Ridge at 2,274 feet (693 m); Spain's is Teide (Tenerife) at 12,188 feet (3,715 m). Teide (Tenerife) is 9,914 feet higher than Ishpatina Ridge.
Lowest point: Ontario's lowest point is Hudson Bay at 0 feet; Spain's is Atlantic Ocean at 0 feet. Both lowest points are at or near sea level.
Ontario vs Spain Population and History
Population: Ontario has a population of 16,136,480 (2026), while Spain has 49,801,559 (2026). Spain's population is 3.1 times (209%) larger than Ontario's.
Population density: Ontario: 45.5 people per square mile vs Spain: 258.5. Spain's population density is 5.7 times (468%) higher than Ontario's.
Biggest city: Ontario's biggest city is Toronto with 2,794,356 people; Spain's is Madrid with 3,266,126. Madrid's population is 1.2 times (17%) larger than Toronto's.
Largest metro area: Ontario's largest metropolitan area is Toronto CMA (6,202,225 people) vs Spain's Madrid (6,497,000). Madrid's population is 1.0 times (5%) larger than Toronto CMA's.
History: Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces. Spain: A unified kingdom since 1479; the current constitution dates from 1978. In its current form, Spain is the older of the two by 388 years.
Ontario vs Spain Economy
GDP: Ontario's GDP is $873.9 billion (2024) vs Spain's $1,906.5 billion. Spain's economic output is 2.2 times (118%) larger than Ontario's.
GDP per capita: Ontario: $54,132 per person vs Spain: $38,627. Ontario's GDP per capita is 1.4 times (40%) higher than Spain's.
Official Websites
Ontario official website · Spain official website
More Size Comparisons
All Ontario size comparisons · All Spain 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.