Distance between cities › USA › South Dakota › Madison, SD › Distance from Madison to Denby Book Hotels

Distance from Madison, SD to Denby, SD

Distance

344 mi

Time

6 hours 7 mins

Gas Cost

$31 - $60

There are 269.65 miles from Madison to Denby in southwest direction and 344 miles (553.61 kilometers) by car, following the I-90 route.

Madison and Denby are 6 hours 7 mins far apart, if you drive non-stop .

This is the fastest route from Madison, SD to Denby, SD. The halfway point is Kennebec, SD.

Please note the time difference between Madison, SD and Denby, SD is 1 hour. The current time in Madison is 5:03 am and the current time in Denby is 4:03 am.

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Lowest Price Rental Cars in Madison, SD

Planning on renting a car to go from Madison, SD to Denby, SD? Here there are some offers to rent a car in Madison, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Madison »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 13.81 gallons of gas to cover the route between Madison, SD and Denby, SD.

The estimated cost of gas to go from Madison to Denby is $43.28.

During the route, an average car will release 270.49 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 $3.14 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Madison, SD and Denby, SD

If you want to meet halfway between Madison, SD and Denby, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.897587 and -99.914619, or 43º 53' 51.3132" N, 99º 54' 52.6284" W. This location is 171.89 miles away from Madison, SD and Denby, SD and it would take approximately 3 hours 3 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kennebec, SD, situated 166 miles from Madison, SD and 179 miles from Denby, SD. It would take 2 hours 35 mins to go from Madison to Kennebec and 3 hours 27 mins to go from Denby to Kennebec.