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

Distance from Madison, SD to Monroe, SD

Distance

45 mi

Time

1 hour 12 mins

Gas Cost

$4 - $8

There are 36.26 miles from Madison to Monroe in south direction and 45 miles (72.42 kilometers) by car, following the SD 19 route.

Madison and Monroe are 1 hour 12 mins far apart, if you drive non-stop .

This is the fastest route from Madison, SD to Monroe, SD. The halfway point is Humboldt, SD.

Madison, SD and Monroe, SD are in the same time zone (CDT). Current time in both locations is 11:32 pm.

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Lowest Price Rental Cars in Madison, SD

Planning on renting a car to go from Madison, SD to Monroe, 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 1.80 gallons of gas to cover the route between Madison, SD and Monroe, SD.

The estimated cost of gas to go from Madison to Monroe is $5.58.

During the route, an average car will release 35.30 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 $3.10 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Madison, SD and Monroe, SD

If you want to meet halfway between Madison, SD and Monroe, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.692539 and -97.068977, or 43º 41' 33.1404" N, 97º 4' 8.3172" W. This location is 22.43 miles away from Madison, SD and Monroe, SD and it would take approximately 36 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Humboldt, SD, situated 27 miles from Madison, SD and 18 miles from Monroe, SD. It would take 47 minutes to go from Madison to Humboldt and 33 minutes to go from Monroe to Humboldt.