How long for first class letter from Indiana to Florida?

First-class letters sent within the United States typically take between 1 and 3 business days to arrive, depending on the distance between the origin and destination. Letters sent from Indiana to Florida may take longer, as the distance between the two states is approximately 1,000 miles. In general, you should expect a first-class letter from Indiana to Florida to take between 2 and 4 days to arrive. However, delivery times may vary due to factors such as weather, holidays, and the volume of mail being processed.