If you're talking about the city, it's -al. If you're talking about the building, it's -ol.
The state capital's capitol building is an iconic landmark in the city.
The state capitol (legislature building) is in the state capital (city), which is Harrisburg.
If your talking about the state capital (not capitol), then it's Oklahoma City.
A state capital is a town where the state legislature and administration is largely based. A state capitol is the building in the capital city set aside for that purpose.
Use -ol when it's the building. The US Capitol is located on Capitol Hill. Many other state capitol buildings are also located on hills. There's also Capitol Records which has the US Capitol as its logo. Use -al for everything else: state capital, capital punishment, venture capital, capital letter, capital idea
Lincoln is the capitol of Illinois No, Lincoln is the capital of Nebraska. Springfield is the capital of Illinois.
Denver is the capitol of Colorado
Maryland state capital buliding.
the state capitol of Virginia is Richmond
Madison is the state capitol of Wisconsin.
The state capital holds that state's government. The head of the state government is the state capitol building, located in the state capital.
Indiana is the Hoosier state. Indianapolis is the capitol.