How many miles from Cincinnati oh to Washington D.C.?

Answer 1

505 miles taking this route:

1. Take I-71 NORTH (towards COLUMBUS), from Cincinnati, to I-70 EAST to WHEELING, via I-271 EAST to bypass COLUMBUS (EXIT 101 off I-71 to get onto I-271 EAST to WHEELING ; EXIT 43B off I-270 to get onto I-70 EAST to WHEELING).
2. Take I-70 EAST to I-270 SOUTH to WASHINGTON off EXIT 53 in Maryland, via I-470 EAST to bypass WHEELING, WV (EXIT 219 off I-70 in Ohio to get onto I-470 EAST to WASHINGTON, PA).
3. Take I-270 SOUTH to Washington, D.C.