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

Distance from Webster, SD to Ancona, IL

Distance

672 mi

Time

12 hours 35 mins

Gas Cost

$63 - $122

There are 526.51 miles from Webster to Ancona in southeast direction and 672 miles (1,081.48 kilometers) by car, following the I-94 route.

Webster and Ancona are 12 hours 35 mins far apart, if you drive non-stop .

This is the fastest route from Webster, SD to Ancona, IL. The halfway point is Duncombe, IA.

Webster, SD and Ancona, IL are in the same time zone (CDT). Current time in both locations is 8:33 am.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Ancona, 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 26.98 gallons of gas to cover the route between Webster, SD and Ancona, IL.

The estimated cost of gas to go from Webster to Ancona is $88.

During the route, an average car will release 528.57 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 Ancona, IL

If you want to meet halfway between Webster, SD and Ancona, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.448814 and -93.949799, or 42º 26' 55.7304" N, 93º 56' 59.2764" W. This location is 335.88 miles away from Webster, SD and Ancona, IL and it would take approximately 6 hours 17 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Duncombe, IA, situated 356 miles from Webster, SD and 340 miles from Ancona, IL. It would take 5 hours 15 mins to go from Webster to Duncombe and 5 hours 22 mins to go from Ancona to Duncombe.