Distance between cities › USA › California › Cool, CA › Distance from Cool to Armour Book Hotels

Distance from Cool, CA to Armour, SD

Distance

1,539 mi

Time

1 day 2 hours

Gas Cost

$141 - $274

There are 1,215.12 miles from Cool to Armour in northeast direction and 1,539 miles (2,476.78 kilometers) by car, following the I-80 route.

Cool and Armour are 1 day 2 hours far apart, if you drive non-stop .

This is the fastest route from Cool, CA to Armour, SD.

Please note the time difference between Cool, CA and Armour, SD is 2 hours. The current time in Cool is 10:49 pm (Mar 11) and the current time in Armour is 12:49 am (Mar 12).

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Lowest Price Rental Cars in Cool, CA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Cool »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 61.81 gallons of gas to cover the route between Cool, CA and Armour, SD.

The estimated cost of gas to go from Cool to Armour is $198.03.

During the route, an average car will release 1,210.90 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 Cool, CA and Armour, SD

If you want to meet halfway between Cool, CA and Armour, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.544339 and -109.634718, or 41º 32' 39.6204" N, 109º 38' 4.9848" W. This location is 769.48 miles away from Cool, CA and Armour, SD and it would take approximately 13 hours 25 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Green River, WY, situated 788 miles from Cool, CA and 751 miles from Armour, SD. It would take 13 hours 19 mins to go from Cool to Green River and 13 hours 36 mins to go from Armour to Green River.