How much does it cost to drive from Key West to Biloxi?

Driving fuel + tolls cost is calculated live based on today's gas prices in MS and your vehicle's MPG.

How far is Key West from Biloxi?

Approximate driving distance and time are computed from real highway routing.

Cost to drive

Key West to Biloxiin a 2025 Toyota Camry

Live fuel-cost estimate from Key West, FL to Biloxi, MS driving a 2025 Toyota Camry, using today's average pump prices in MS, real highway distance, tolls, and recommended refuel stops along the route.

Total cost

$84.55

Distance

688 mi

Drive time

11h 28m

Fuel

21.5 gal

Gas: $3.45/gal

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Make

Model

Year

Fuel

gas

Efficiency

32 MPG

Tank

15.8 gal

Range

506 mi

Cost breakdown

Fuel (21.5 gal @ $3.45/gal route avg)$74.22

Tolls (estimated)$10.33

Cost per mile$0.123

Refuel stops1

Range per fill506 mi

Vehicle

Make / ModelToyota Camry

Year2025

Fuel typegas

MPG (combined)32

Tank (gal)15.8

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FAQ

Driving from Key West, FL to Biloxi, MS costs about $84.55 one way in fuel and tolls for a Toyota Camry at today's gas prices.