Distance between cities › USA › South Dakota › Armour, SD › Distance from Armour to Johnson Book Hotels

Distance from Armour, SD to Johnson, AR

Distance

651 mi

Time

12 hours 8 mins

Gas Cost

$61 - $118

There are 543.74 miles from Armour to Johnson in southeast direction and 651 miles (1,047.68 kilometers) by car, following the I-29 route.

Armour and Johnson are 12 hours 8 mins far apart, if you drive non-stop .

This is the fastest route from Armour, SD to Johnson, AR.

Armour, SD and Johnson, AR are in the same time zone (CDT). Current time in both locations is 2:19 pm.

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Lowest Price Rental Cars in Armour, SD

Planning on renting a car to go from Armour, SD to Johnson, AR? Here there are some offers to rent a car in Armour, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Armour »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 26.14 gallons of gas to cover the route between Armour, SD and Johnson, AR.

The estimated cost of gas to go from Armour to Johnson is $85.28.

During the route, an average car will release 512.19 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 Armour, SD and Johnson, AR

If you want to meet halfway between Armour, SD and Johnson, AR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.284391 and -95.478464, or 40º 17' 3.8076" N, 95º 28' 42.4704" W. This location is 325.48 miles away from Armour, SD and Johnson, AR and it would take approximately 6 hours 4 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Corning, MO, situated 317 miles from Armour, SD and 336 miles from Johnson, AR. It would take 6 hours 1 min to go from Armour to Corning and 6 hours 12 mins to go from Johnson to Corning.