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

Distance from Armour, SD to Marshfield, WI

Distance

496 mi

Time

9 hours 34 mins

Gas Cost

$46 - $90

There are 416.72 miles from Armour to Marshfield in northeast direction and 496 miles (798.23 kilometers) by car, following the I-90 route.

Armour and Marshfield are 9 hours 34 mins far apart, if you drive non-stop .

This is the fastest route from Armour, SD to Marshfield, WI. The halfway point is Blue Earth, MN.

Armour, SD and Marshfield, WI are in the same time zone (CDT). Current time in both locations is 11:42 am.

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Lowest Price Rental Cars in Armour, SD

Planning on renting a car to go from Armour, SD to Marshfield, WI? 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 19.93 gallons of gas to cover the route between Armour, SD and Marshfield, WI.

The estimated cost of gas to go from Armour to Marshfield is $65.01.

During the route, an average car will release 390.44 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 Marshfield, WI

If you want to meet halfway between Armour, SD and Marshfield, WI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.661728 and -94.114861, or 43º 39' 42.2208" N, 94º 6' 53.4996" W. This location is 248.11 miles away from Armour, SD and Marshfield, WI and it would take approximately 4 hours 47 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Blue Earth, MN, situated 252 miles from Armour, SD and 263 miles from Marshfield, WI. It would take 3 hours 44 mins to go from Armour to Blue Earth and 4 hours 29 mins to go from Marshfield to Blue Earth.