Distance between cities › USA › Florida › Saint Johns, FL › Distance from Saint Johns to Harmony Book Hotels

Distance from Saint Johns, FL to Harmony, FL

Distance

148 mi

Time

2 hours 58 mins

Gas Cost

$16 - $31

There are 124.33 miles from Saint Johns to Harmony in south direction and 148 miles (238.18 kilometers) by car, following the I-95 route.

Saint Johns and Harmony are 2 hours 58 mins far apart, if you drive non-stop .

This is the fastest route from Saint Johns, FL to Harmony, FL. The halfway point is Lake Helen, FL.

Saint Johns, FL and Harmony, FL are in the same time zone (EDT). Current time in both locations is 12:55 pm.

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Lowest Price Rental Cars in Saint Johns, FL

Planning on renting a car to go from Saint Johns, FL to Harmony, FL? Here there are some offers to rent a car in Saint Johns, FL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Saint Johns »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 5.96 gallons of gas to cover the route between Saint Johns, FL and Harmony, FL.

The estimated cost of gas to go from Saint Johns to Harmony is $22.08.

During the route, an average car will release 116.82 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 $3.70 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Saint Johns, FL and Harmony, FL

If you want to meet halfway between Saint Johns, FL and Harmony, FL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 29.056189 and -81.195480, or 29º 3' 22.2804" N, 81º 11' 43.728" W. This location is 74.24 miles away from Saint Johns, FL and Harmony, FL and it would take approximately 1 hour 29 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Lake Helen, FL, situated 83 miles from Saint Johns, FL and 70 miles from Harmony, FL. It would take 1 hour 21 mins to go from Saint Johns to Lake Helen and 1 hour 12 mins to go from Harmony to Lake Helen.