| Red Robin | 3072 Waldorf Market Place
Waldorf, MD 20603 | (301) 374-2290 | |
| Red Tree Farmstead | 4725 Port Tobacco Road
Nanjemoy, MD 20662 | | |
| Regency Furniture Stadium | 11765 St. Linus Drive
Waldorf, MD 20602 | (301) 638-9788 | |
| Remembrances Antiques and Vintage Treasures | 8394 Old Leonardtown Rd Rt. 5 North
Hughesville, MD 20637 | (301) 274-5787 | |
| Residence Inn by Marriott | 3020 Technology Place
Waldorf, MD 20601 | (301) 632-2111 | |
| Rich Hill | Rich Hill Farm Road
Bel Alton , MD 20611 | | |
| Richard R. Clark Senior Center | 1210 Charles Street
La Plata, MD 20646 | | |
| Rita's Italian Ice, La Plata | 6360 Crain Highway
La Plata, MD 20646 | (301) 576-8286 | |
| Rita's Italian Ice, Waldorf | 3312 Leonardtown Road
Waldorf, MD 20601 | (301) 645-4091 | |
| Riverside WMA | Holly Springs Road
Nanjemoy , MD 20662 | | |
| Robert D. Stethem Educational Center | 7775 Marshall Corner Road - Bldg. C2 Gym
Pomfret, MD 20675 | | |
| Robert D. Stethem Memorial Sports Complex | 4250 Piney Church Road
Waldorf, MD 20602 | | |
| Rock & Toss Crab House | 2928 Festival Way
Waldorf, MD 20601 | (301) 638-8899 | |
| Ron's Cut Masters Barbershop | 3370 Leonardtown Road
Waldorf, MD 20601 | (301) 705-6626 | |
| Rootbound Farms | 1107 East Patuxent Drive
La Plata, MD 20646 | | |
| Rosewood Manor | 7825 Locust Place
Port Tobacco, MD 20677 | (240) 640-3556 | |
| Roy Rogers, La Plata | 6370 Crain Highway
La Plata, MD 20646 | (301) 934-9144 | |
| Roy Rogers, Waldorf | 3130 Crain Highway
Waldorf, MD 20603 | (301) 843-0808 | |
| Ruby Thai Kitchen | St. Charles Towne Center - Food Court11110 Mall Circle
Waldorf, MD 20603 | (301) 645-8325 | |
| Ruth B. Swann Collection Site (Used Oil & Antifreeze) | 3100 Ruth B Swann Drive
Indian Head, MD 20640 | | |
