| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Rol-Park Trailer Village | city | Maryland | United States | 39.12 | -76.64 | 91 | |
| Roland Heights | city | Maryland | United States | 39.54 | -76.36 | 344 | |
| Roland Park | city | Maryland | United States | 39.35 | -76.63 | 344 | |
| Roland Place | city | Maryland | United States | 39.54 | -76.36 | 370 | |
| Roland Terrace | city | Maryland | United States | 39.22 | -76.60 | 49 | |
| Rolee Estates | city | Maryland | United States | 38.74 | -76.94 | 196 | |
| Roller | city | Maryland | United States | 39.70 | -76.81 | 830 | |
| Rolles Beach | city | Maryland | United States | 38.77 | -76.25 | 3 | |
| Rolling Acres | city | Maryland | United States | 39.06 | -76.97 | 321 | |
| Rolling Acres | city | Maryland | United States | 38.61 | -76.55 | 118 | |
| Rolling Acres | city | Maryland | United States | 38.49 | -76.73 | 98 | |
| Rolling Acres | city | Maryland | United States | 39.27 | -76.85 | 396 | |
| Rolling Acres | city | Maryland | United States | 38.75 | -76.84 | 196 | |
| Rolling Carroll Estates | city | Maryland | United States | 39.39 | -77.06 | 830 | |
| Rolling Falls Estates | city | Maryland | United States | 39.66 | -76.81 | 830 | |
| Rolling Glen Farms | city | Maryland | United States | 38.79 | -76.80 | 160 | |
| Rolling Green | city | Maryland | United States | 39.58 | -76.25 | 314 | |
| Rolling Green | city | Maryland | United States | 39.30 | -77.30 | 830 | |
| Rolling Heights | city | Maryland | United States | 39.32 | -76.76 | 830 | |
| Rolling Hills | city | Maryland | United States | 38.22 | -75.47 | 19 | |
| Rolling Hills | city | Maryland | United States | 38.48 | -76.99 | 147 | |
| Rolling Hills | city | Maryland | United States | 39.38 | -77.01 | 830 | |
| Rolling Hills | city | Maryland | United States | 39.00 | -76.56 | 101 | |
| Rolling Hills | city | Maryland | United States | 39.35 | -77.19 | 830 | |
| Rolling Knolls | city | Maryland | United States | 39.64 | -76.50 | 830 | |
| Rolling Knolls | city | Maryland | United States | 39.00 | -76.56 | 101 | |
| Rolling Knolls | city | Maryland | United States | 39.18 | -77.12 | 830 | |
| Rolling Meadows | city | Maryland | United States | 38.36 | -75.68 | 19 | |
| Rolling Park | city | Maryland | United States | 39.35 | -76.77 | 830 | |
| Rolling Ridge | city | Maryland | United States | 39.39 | -76.82 | 830 | |
| Rolling Ridge | city | Maryland | United States | 39.34 | -76.76 | 830 | |
| Rolling Ridge | city | Maryland | United States | 39.53 | -77.03 | 830 | |
| Rolling Ridge | city | Maryland | United States | 39.31 | -76.80 | 200 | |
| Rolling Road Farms | city | Maryland | United States | 39.32 | -76.75 | 400 | |
| Rolling View | city | Maryland | United States | 38.95 | -76.85 | 147 | |
| Rollingwood | city | Maryland | United States | 38.98 | -77.07 | 275 | |
| Rollins Park | city | Maryland | United States | 39.06 | -77.13 | 344 | |
| Rollins View Green | city | Maryland | United States | 39.37 | -76.53 | 275 | |
| Rolph Landing | city | Maryland | United States | 38.90 | -75.95 | 19 | |
| Rolphs | city | Maryland | United States | 39.17 | -76.04 | 36 |