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

Distance from Armour, SD to Ralph, AL

Distance

1,107 mi

Time

21 hours 41 mins

Gas Cost

$103 - $201

There are 911.77 miles from Armour to Ralph in southeast direction and 1,107 miles (1,781.54 kilometers) by car, following the I-29 route.

Armour and Ralph are 21 hours 41 mins far apart, if you drive non-stop .

This is the fastest route from Armour, SD to Ralph, AL. The halfway point is Kingdom City, MO.

Armour, SD and Ralph, AL are in the same time zone (CDT). Current time in both locations is 2:24 pm.

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Lowest Price Rental Cars in Armour, SD

Planning on renting a car to go from Armour, SD to Ralph, AL? 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 44.47 gallons of gas to cover the route between Armour, SD and Ralph, AL.

The estimated cost of gas to go from Armour to Ralph is $145.06.

During the route, an average car will release 871.23 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 Ralph, AL

If you want to meet halfway between Armour, SD and Ralph, AL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.928471 and -91.852997, or 38º 55' 42.4956" N, 91º 51' 10.7892" W. This location is 553.63 miles away from Armour, SD and Ralph, AL and it would take approximately 10 hours 50 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kingdom City, MO, situated 565 miles from Armour, SD and 610 miles from Ralph, AL. It would take 9 hours 10 mins to go from Armour to Kingdom City and 9 hours 48 mins to go from Ralph to Kingdom City.

Major City Closest to Halfway Point

The major city closest to the halfway point between Armour, SD and Ralph, AL is Columbia, MO, situated 543 miles from Armour, SD and 632 miles from Ralph, AL. It would take 8 hours 51 mins to go from Armour to and 10 hours 8 mins to go from Ralph to Columbia.