Juneau, Alaska is the only US state capital that cannot be reached by road from any other city. No roads go to it. See for yourself in the link below. Honolulu, Hawaii is also the other capital that can only be reached by water and air methods. Therefore, there are two capitals that can only be reached by means of air/water transportation so this question isn't fully relevant.
There is no state in the United States of America that doesn't have a capital. Every state has a capital, even Alaska and Hawaii, which are the only two states that aren't connected to the United States of America.
North America does not have a capital but the capital of the United States is located in Washington, D.C. (District of Columbia).
Michigan
Honduras is not a capital, it's a country in Central America. Its capital is Tegucigalpa.
Hobart is a city; therefore, it cannot have a capital.Hobart is the capital of Australia's island state of Tasmania.
south america
The capital state of the United State of America is Washington, DC.
Richmond, Virginia was the capital of the Confederate States of America.
Managua is the capital city of Nicaragua, a country in Central America.
Richmond, Virginia was the capital of the Confederate States of America.
Assumption Compromise