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

Distance from Madison, SD to Ralph, SD

Distance

433 mi

Time

8 hours 48 mins

Gas Cost

$38 - $74

There are 315.88 miles from Madison to Ralph in northwest direction and 433 miles (696.85 kilometers) by car, following the US-12 and SD 20 route.

Madison and Ralph are 8 hours 48 mins far apart, if you drive non-stop .

This is the fastest route from Madison, SD to Ralph, SD. The halfway point is Kadoka, SD.

Please note the time difference between Madison, SD and Ralph, SD is 1 hour. The current time in Madison is 11:34 pm and the current time in Ralph is 10:34 pm.

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Lowest Price Rental Cars in Madison, SD

Planning on renting a car to go from Madison, SD to Ralph, 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 17.38 gallons of gas to cover the route between Madison, SD and Ralph, SD.

The estimated cost of gas to go from Madison to Ralph is $53.82.

During the route, an average car will release 340.48 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 Ralph, SD

If you want to meet halfway between Madison, SD and Ralph, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.841045 and -101.404465, or 43º 50' 27.762" N, 101º 24' 16.074" W. This location is 216.36 miles away from Madison, SD and Ralph, SD and it would take approximately 4 hours 24 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kadoka, SD, situated 251 miles from Madison, SD and 263 miles from Ralph, SD. It would take 3 hours 40 mins to go from Madison to Kadoka and 4 hours 31 mins to go from Ralph to Kadoka.