Late in Episode 4 of Real World DC all the houseguests, Andrew, Ashley, Callie, Emily, Erika, Josh, Mike and Ty, head out to get something to eat. They end up at Subway. This place was easier to find than most of the things on the show, because they showed the address, 1605, in huge easy to read numbers.
The Subway the houseguests visited at the end of Episode 4 is located at 1605 Connecticut Avenue NW. Click Here for Google Map showing the location of the Subway sandwich shop visited by all of the houseguests.
Closest Metro Station: The Dupont Circle Metro Station is nearest to this Subway.