What Confederate capital was only about 100 miles from Washington, D.C.?

ARichmond, Virginia
BLexington, Kentucky
CAtlanta, Georgia
DBaltimore, Maryland

The answer is Richmond, Virginia

Verified Answer :

Yes it was Richmond, Virginia that was a Confederate capital was only about 100 miles from Washington, D.C. which allowed confederate soldiers to eventually reach DC.

Richmond, Virginia! It was around 100 miles apart.