Distance between St. Mary's and Rockville
Distance between St. Mary's and Rockville is 128.55 km. This distance is equal to 79.88 miles, and 69.37 nautical miles.
The distance line on map shows distance from St. Mary's to Rockville between two cities.
If you travel with an airplane (which has average speed of 560 miles per hour) between St. Mary's to Rockville,
It takes 0.14 hours to arrive.
| St. Mary's | 38.1060259 | -76.3637285 |
|---|---|---|
| Rockville | 39.0839973 | -77.1527578 |
| Distance | 128.55 km | 79.88 miles |
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