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

Distance from Dewey, SD to Harvard Square, MA

Distance

1,989 mi

Time

1 day 12 hours

Gas Cost

$185 - $360

There are 1,655.92 miles from Dewey to Harvard Square in east direction and 1,989 miles (3,200.99 kilometers) by car, following the I-90 and US-14 route.

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

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

Please note the time difference between Dewey, SD and Harvard Square, MA is 2 hours. The current time in Dewey is 9:08 am and the current time in Harvard Square is 11:08 am.

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Lowest Price Rental Cars in Dewey, SD

Planning on renting a car to go from Dewey, SD to Harvard Square, 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 79.88 gallons of gas to cover the route between Dewey, SD and Harvard Square, MA.

The estimated cost of gas to go from Dewey to Harvard Square is $260.56.

During the route, an average car will release 1,564.94 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 Harvard Square, MA

If you want to meet halfway between Dewey, SD and Harvard Square, MA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.999836 and -87.882016, or 41º 59' 59.4096" N, 87º 52' 55.2576" W. This location is 994.46 miles away from Dewey, SD and Harvard Square, 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 1,005 miles from Harvard Square, MA. It would take 17 hours 38 mins to go from Dewey to Rosemont and 19 hours 9 mins to go from Harvard Square to Rosemont.

Major City Closest to Halfway Point

The major city closest to the halfway point between Dewey, SD and Harvard Square, MA is Chicago, IL, situated 1,001 miles from Dewey, SD and 988 miles from Harvard Square, MA. It would take 18 hours 2 mins to go from Dewey to Chicago and 18 hours 40 mins to go from Harvard Square to Chicago.