Distance between cities › USA › South Dakota › Dewey, SD › Distance from Dewey to Allston Book Hotels

Distance from Dewey, SD to Allston, MA

Distance

1,987 mi

Time

1 day 12 hours

Gas Cost

$185 - $360

There are 1,655.53 miles from Dewey to Allston in east direction and 1,987 miles (3,197.77 kilometers) by car, following the I-90 and US-14 route.

Dewey and Allston are 1 day 12 hours far apart, if you drive non-stop .

This is the fastest route from Dewey, SD to Allston, MA.

Please note the time difference between Dewey, SD and Allston, MA is 2 hours. The current time in Dewey is 10:29 am and the current time in Allston is 12:29 pm.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Allston, MA? Here there are some offers to rent a car in Dewey, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Dewey »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 79.80 gallons of gas to cover the route between Dewey, SD and Allston, MA.

The estimated cost of gas to go from Dewey to Allston is $260.31.

During the route, an average car will release 1,563.44 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 Dewey, SD and Allston, MA

If you want to meet halfway between Dewey, SD and Allston, MA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.006914 and -87.897555, or 42º 0' 24.8904" N, 87º 53' 51.198" W. This location is 993.51 miles away from Dewey, SD and Allston, MA and it would take approximately 18 hours 18 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Rosemont, IL, situated 986 miles from Dewey, SD and 1,003 miles from Allston, MA. It would take 17 hours 38 mins to go from Dewey to Rosemont and 19 hours 8 mins to go from Allston to Rosemont.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dewey, SD and Allston, MA is Chicago, IL, situated 1,001 miles from Dewey, SD and 986 miles from Allston, MA. It would take 18 hours 2 mins to go from Dewey to Chicago and 18 hours 39 mins to go from Allston to Chicago.