How long to sail from Chesapeake bay to Florida?

It is 1,174 nautical miles from Chesapeake Bay to Tampa Bay. To find out how long it would take, you would have to divide 1,174 by however many knots per hour you are traveling.

Say you averaged 15 knots per hour the entire trip (the average offshore Atlantic wind speed)...

1,174 miles divided by 15 knots would be about 78 hours.

It would take about 78 hours to travel from Chesapeake Bay to Tampa Bay.