The map above shows Italy and Ontario side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Italy vs Ontario Geography
Land area: Italy has a land area of 113,568 square miles (294,140 km²), while Ontario has 354,342 square miles (917,741 km²). Ontario's land area is 3.1 times (212%) larger than Italy's.
Total area: Italy: 116,348 square miles (301,340 km²) vs Ontario: 415,598 square miles (1,076,395 km²), including inland and coastal water. Ontario's total area is 3.6 times (257%) larger than Italy's.
Length: Italy is 734 miles (1,181 km) long from north to south; Ontario is 1,085 miles (1,747 km). Ontario's north-south length is 1.5 times (48%) longer than Italy's.
Width: Italy spans 694 miles (1,117 km) east to west; Ontario spans 1,013 miles (1,630 km). Ontario's east-west width is 1.5 times (46%) wider than Italy's.
Highest point: Italy's highest point is Monte Bianco (Mont Blanc) at 15,778 feet (4,809 m); Ontario's is Ishpatina Ridge at 2,274 feet (693 m). Monte Bianco (Mont Blanc) is 13,504 feet higher than Ishpatina Ridge.
Lowest point: Italy's lowest point is Jolanda di Savoia at -10 feet; Ontario's is Hudson Bay at 0 feet. Italy's lowest point is 10 feet lower.
Italy vs Ontario Population and History
Population: Italy has a population of 58,943,673 (2026), while Ontario has 16,136,480 (2026). Italy's population is 3.7 times (265%) larger than Ontario's.
Population density: Italy: 519.0 people per square mile vs Ontario: 45.5. Italy's population density is 11.4 times higher than Ontario's.
Biggest city: Italy's biggest city is Rome with 2,748,109 people; Ontario's is Toronto with 2,794,356. Rome and Toronto have about the same population.
Largest metro area: Italy's largest metropolitan area is Metropolitan City of Rome (4,223,885 people) vs Ontario's Toronto CMA (6,202,225). Toronto CMA's population is 1.5 times (47%) larger than Metropolitan City of Rome's.
History: Italy: Unified as the Kingdom of Italy on March 17, 1861; a republic since 1946. Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces. In its current form, Italy is the older of the two by 6 years.
Italy vs Ontario Economy
GDP: Italy's GDP is $2,551.6 billion (2025) vs Ontario's $873.9 billion. Italy's economic output is 2.9 times (192%) larger than Ontario's.
GDP per capita: Italy: $43,309 per person vs Ontario: $54,132. Ontario's GDP per capita is 1.2 times (25%) higher than Italy's.
Official Websites
Italy official website · Ontario official website
More Size Comparisons
All Italy size comparisons · All Ontario 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.