That would be Paris, Texas. Paris, France has the River Seine.
Oklahoma has about the same capital as the state name. Its capital is Oklahoma City.
There is no strait and capital with the same name.
The state of Oaxaca (both state and its capital have the same name).
The capital of congo is Kinhasha, and it is situttaed on the banks of river congo( even the country got its name from the same river)
Mississippi (state & river) Colorado (state & river)
The city of Aguascalientes is the capital of the Mexican state of Aguascalientes.
The city of Oaxaca (both the state and its capital have the same name).
washington
Ohio, Ohio River
Assuming you are including US state capitals, Lincoln Nebraska has no river per se. There is a small creek named Salt Creek, but this does not qualify as a river. As for national capitals: San Marino (capital of the microstate of the same name) does not have a river in its boundaries. Monte Carlo (Monaco) has no river either, but is on the Mediterranean Sea.
Columbus