Distance between cities › USA › Illinois › Markham, IL › Distance from Markham to Key Largo Book Hotels

Distance from Markham, IL to Key Largo, FL

Distance

1,396 mi

Time

1 day 2 hours

Gas Cost

$130 - $253

There are 1,213.65 miles from Markham to Key Largo in southeast direction and 1,396 miles (2,246.64 kilometers) by car, following the I-75 and GA 540 route.

Markham and Key Largo are 1 day 2 hours far apart, if you drive non-stop .

This is the fastest route from Markham, IL to Key Largo, FL.

Please note the time difference between Markham, IL and Key Largo, FL is 1 hour. The current time in Markham is 10:11 am and the current time in Key Largo is 11:11 am.

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Lowest Price Rental Cars in Markham, IL

Planning on renting a car to go from Markham, IL to Key Largo, FL? Here there are some offers to rent a car in Markham, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Markham »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 56.07 gallons of gas to cover the route between Markham, IL and Key Largo, FL.

The estimated cost of gas to go from Markham to Key Largo is $182.92.

During the route, an average car will release 1,098.61 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Markham, IL and Key Largo, FL

If you want to meet halfway between Markham, IL and Key Largo, FL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 33.579611 and -84.355217, or 33º 34' 46.5996" N, 84º 21' 18.7812" W. This location is 698.13 miles away from Markham, IL and Key Largo, FL and it would take approximately 13 hours 9 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Morrow, GA, situated 688 miles from Markham, IL and 710 miles from Key Largo, FL. It would take 13 hours 20 mins to go from Markham to Morrow and 13 hours 3 mins to go from Key Largo to Morrow.

Major City Closest to Halfway Point

The major city closest to the halfway point between Markham, IL and Key Largo, FL is Atlanta, GA, situated 673 miles from Markham, IL and 723 miles from Key Largo, FL. It would take 13 hours 1 min to go from Markham to Atlanta and 13 hours 20 mins to go from Key Largo to Atlanta.

Major Cities Along the Route

Some other major cities along the route include Port Saint Lucie, FL, Miami Gardens, FL, Pembroke Pines, FL, Indianapolis, IN, Miramar, FL and Pompano Beach, FL.