| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cal Acres | city | Maryland | United States | 38.31 | -76.51 | 98 | |
| Calebs Delight | city | Maryland | United States | 39.44 | -77.13 | 830 | |
| California | city | Maryland | United States | 38.30 | -76.51 | 98 | |
| California | city | Maryland | United States | 38.37 | -75.61 | 16 | |
| Callaway | city | Maryland | United States | 38.24 | -76.52 | 52 | |
| Calloway Landing | city | Maryland | United States | 38.17 | -76.46 | 3 | |
| Calvary | city | Maryland | United States | 39.54 | -76.26 | 298 | |
| Calvert | city | Maryland | United States | 39.70 | -75.98 | 400 | |
| Calvert Acres | city | Maryland | United States | 39.69 | -75.94 | 400 | |
| Calvert Acres | city | Maryland | United States | 38.88 | -75.80 | 39 | |
| Calvert Beach | city | Maryland | United States | 38.47 | -76.48 | 42 | |
| Calvert Beach Estates | city | Maryland | United States | 38.46 | -76.48 | 49 | |
| Calvert Beach Park | city | Maryland | United States | 38.47 | -76.49 | 49 | |
| Calvert Chase | city | Maryland | United States | 38.75 | -76.67 | 98 | |
| Calvert Estates | city | Maryland | United States | 38.75 | -76.66 | 98 | |
| Calvert Heights | city | Maryland | United States | 39.22 | -76.08 | 32 | |
| Calvert Hills | city | Maryland | United States | 38.97 | -76.94 | 49 | |
| Calvert Manor | city | Maryland | United States | 38.69 | -77.01 | 62 | |
| Calvert Manor | city | Maryland | United States | 38.68 | -76.63 | 98 | |
| Calvert Mobile Home Park | city | Maryland | United States | 38.51 | -76.64 | 29 | |
| Calvert Terrace | city | Maryland | United States | 38.78 | -76.06 | 29 | |
| Calvert Towne | city | Maryland | United States | 38.53 | -76.58 | 98 | |
| Calvert Woods | city | Maryland | United States | 38.69 | -76.61 | 98 | |
| Calverton | city | Maryland | United States | 38.94 | -76.30 | 3 | |
| Calverton | city | Maryland | United States | 39.06 | -76.94 | 196 | |
| Calverton | city | Maryland | United States | 39.29 | -76.66 | 118 | |
| Calverton Heights | city | Maryland | United States | 39.29 | -76.66 | 98 |