Distance between Ronkonkoma and St. Mary's
Distance between Ronkonkoma and St. Mary's is 408.93 km. This distance is equal to 254.1 miles, and 220.66 nautical miles.
The distance line on map shows distance from Ronkonkoma to St. Mary's between two cities.
If you travel with an airplane (which has average speed of 560 miles per hour) between Ronkonkoma to St. Mary's,
It takes 0.45 hours to arrive.
| Ronkonkoma | 40.803456 | -73.1248729 |
|---|---|---|
| St. Mary's | 38.1060259 | -76.3637285 |
| Distance | 408.93 km | 254.1 miles |
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