Distance between cities › USA › South Dakota › Colman, SD › Distance from Colman to Addy Book Hotels

Distance from Colman, SD to Addy, WA

Distance

1,275 mi

Time

21 hours 53 mins

Gas Cost

$119 - $231

There are 1,046.54 miles from Colman to Addy in northwest direction and 1,275 miles (2,051.91 kilometers) by car, following the I-90 route.

Colman and Addy are 21 hours 53 mins far apart, if you drive non-stop .

This is the fastest route from Colman, SD to Addy, WA. The halfway point is Bighorn, MT.

Please note the time difference between Colman, SD and Addy, WA is 2 hours. The current time in Colman is 12:21 am (Mar 13) and the current time in Addy is 10:21 pm (Mar 12).

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Colman, SD to Addy, WA:

Lowest Price Rental Cars in Colman, SD

Planning on renting a car to go from Colman, SD to Addy, WA? Here there are some offers to rent a car in Colman, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Colman »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 51.22 gallons of gas to cover the route between Colman, SD and Addy, WA.

The estimated cost of gas to go from Colman to Addy is $167.09.

During the route, an average car will release 1,003.56 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 Colman, SD and Addy, WA

If you want to meet halfway between Colman, SD and Addy, WA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.390308 and -107.361053, or 45º 23' 25.1088" N, 107º 21' 39.7908" W. This location is 637.73 miles away from Colman, SD and Addy, WA and it would take approximately 10 hours 56 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Bighorn, MT, situated 663 miles from Colman, SD and 681 miles from Addy, WA. It would take 9 hours 37 mins to go from Colman to Bighorn and 10 hours 9 mins to go from Addy to Bighorn.