Distance between cities › USA › Missouri › Thayer, MO › Distance from Thayer to Siesta Key Book Hotels

Distance from Thayer, MO to Siesta Key, FL

Distance

978 mi

Time

19 hours 8 mins

Gas Cost

$92 - $179

There are 828.18 miles from Thayer to Siesta Key in southeast direction and 978 miles (1,573.94 kilometers) by car, following the I-75 route.

Thayer and Siesta Key are 19 hours 8 mins far apart, if you drive non-stop .

This is the fastest route from Thayer, MO to Siesta Key, FL.

Please note the time difference between Thayer, MO and Siesta Key, FL is 1 hour. The current time in Thayer is 2:25 am and the current time in Siesta Key is 3:25 am.

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Lowest Price Rental Cars in Thayer, MO

Planning on renting a car to go from Thayer, MO to Siesta Key, FL? Here there are some offers to rent a car in Thayer, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Thayer »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 39.29 gallons of gas to cover the route between Thayer, MO and Siesta Key, FL.

The estimated cost of gas to go from Thayer to Siesta Key is $129.30.

During the route, an average car will release 769.74 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.29 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Thayer, MO and Siesta Key, FL

If you want to meet halfway between Thayer, MO and Siesta Key, FL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 32.805475 and -85.699013, or 32º 48' 19.71" N, 85º 41' 56.4468" W. This location is 489.14 miles away from Thayer, MO and Siesta Key, FL and it would take approximately 9 hours 34 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Camp Hill, AL, situated 477 miles from Thayer, MO and 503 miles from Siesta Key, FL. It would take 9 hours 21 mins to go from Thayer to Camp Hill and 9 hours 50 mins to go from Siesta Key to Camp Hill.