Distance between cities › USA › South Dakota › Madison, SD › Distance from Madison to Armstrong Book Hotels

Distance from Madison, SD to Armstrong, MO

Distance

509 mi

Time

9 hours 36 mins

Gas Cost

$47 - $91

There are 398.62 miles from Madison to Armstrong in southeast direction and 509 miles (819.16 kilometers) by car, following the I-29 route.

Madison and Armstrong are 9 hours 36 mins far apart, if you drive non-stop .

This is the fastest route from Madison, SD to Armstrong, MO.

Madison, SD and Armstrong, MO are in the same time zone (CDT). Current time in both locations is 9:56 pm.

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Lowest Price Rental Cars in Madison, SD

Planning on renting a car to go from Madison, SD to Armstrong, MO? Here there are some offers to rent a car in Madison, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Madison »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 20.44 gallons of gas to cover the route between Madison, SD and Armstrong, MO.

The estimated cost of gas to go from Madison to Armstrong is $65.49.

During the route, an average car will release 400.47 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Madison, SD and Armstrong, MO

If you want to meet halfway between Madison, SD and Armstrong, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.729596 and -95.817529, or 40º 43' 46.5456" N, 95º 49' 3.1044" W. This location is 254.48 miles away from Madison, SD and Armstrong, MO and it would take approximately 4 hours 48 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Percival, IA, situated 266 miles from Madison, SD and 245 miles from Armstrong, MO. It would take 4 hours 46 mins to go from Madison to Percival and 4 hours 55 mins to go from Armstrong to Percival.