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

Distance from Webster, SD to Greenfield, IL

Distance

738 mi

Time

13 hours 20 mins

Gas Cost

$69 - $134

There are 556.74 miles from Webster to Greenfield in southeast direction and 738 miles (1,187.70 kilometers) by car, following the I-29 and US-81 route.

Webster and Greenfield are 13 hours 20 mins far apart, if you drive non-stop .

This is the fastest route from Webster, SD to Greenfield, IL.

Webster, SD and Greenfield, IL are in the same time zone (CDT). Current time in both locations is 2:22 pm.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Greenfield, IL? 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 29.65 gallons of gas to cover the route between Webster, SD and Greenfield, IL.

The estimated cost of gas to go from Webster to Greenfield is $96.71.

During the route, an average car will release 580.88 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 Greenfield, IL

If you want to meet halfway between Webster, SD and Greenfield, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.432102 and -95.568585, or 40º 25' 55.5672" N, 95º 34' 6.906" W. This location is 369.13 miles away from Webster, SD and Greenfield, IL and it would take approximately 6 hours 40 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Rock Port, MO, situated 400 miles from Webster, SD and 343 miles from Greenfield, IL. It would take 6 hours 51 mins to go from Webster to Rock Port and 6 hours 38 mins to go from Greenfield to Rock Port.