Distance between cities › USA › South Dakota › Webster, SD › Distance from Webster to Chilmark Book Hotels

Distance from Webster, SD to Chilmark, MA

Distance

1,710 mi

Time

1 day 9 hours

Gas Cost

$159 - $310

There are 1,366.79 miles from Webster to Chilmark in east direction and 1,710 miles (2,751.98 kilometers) by car and ferry, following the I-80 route.

Webster and Chilmark are 1 day 9 hours far apart, if you drive non-stop for 1 day 8 hours and take a ferry for 45 minutes .

This is the fastest route from Webster, SD to Chilmark, MA.

Please note the time difference between Webster, SD and Chilmark, MA is 1 hour. The current time in Webster is 5:47 am and the current time in Chilmark is 6:47 am.

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Lowest Price Rental Cars in Webster, SD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Webster »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 68.67 gallons of gas to cover the route between Webster, SD and Chilmark, MA.

The estimated cost of gas to go from Webster to Chilmark is $223.99.

During the route, an average car will release 1,345.29 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 Webster, SD and Chilmark, MA

If you want to meet halfway between Webster, SD and Chilmark, MA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.590475 and -84.275855, or 41º 35' 25.71" N, 84º 16' 33.078" W. This location is 854.88 miles away from Webster, SD and Chilmark, MA and it would take approximately 16 hours 37 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Pettisville, OH, situated 857 miles from Webster, SD and 862 miles from Chilmark, MA. It would take 16 hours 12 mins to go from Webster to Pettisville and 17 hours 26 mins to go from Chilmark to Pettisville.