Distance between cities › USA › South Dakota › Colome, SD › Distance from Colome to Arco Book Hotels

Distance from Colome, SD to Arco, ID

Distance

842 mi

Time

16 hours 46 mins

Gas Cost

$79 - $153

There are 681.16 miles from Colome to Arco in west direction and 842 miles (1,355.07 kilometers) by car, following the US-20 route.

Colome and Arco are 16 hours 46 mins far apart, if you drive non-stop .

This is the fastest route from Colome, SD to Arco, ID. The halfway point is Parkman, WY.

Please note the time difference between Colome, SD and Arco, ID is 1 hour. The current time in Colome is 6:03 pm and the current time in Arco is 5:03 pm.

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Lowest Price Rental Cars in Colome, SD

Planning on renting a car to go from Colome, SD to Arco, ID? Here there are some offers to rent a car in Colome, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Colome »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 33.83 gallons of gas to cover the route between Colome, SD and Arco, ID.

The estimated cost of gas to go from Colome to Arco is $110.35.

During the route, an average car will release 662.75 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 Colome, SD and Arco, ID

If you want to meet halfway between Colome, SD and Arco, ID or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.972607 and -107.250755, or 44º 58' 21.3852" N, 107º 15' 2.718" W. This location is 421.16 miles away from Colome, SD and Arco, ID and it would take approximately 8 hours 23 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Parkman, WY, situated 491 miles from Colome, SD and 514 miles from Arco, ID. It would take 7 hours 50 mins to go from Colome to Parkman and 8 hours 16 mins to go from Arco to Parkman.