Distance between cities › USA › Illinois › Mason, IL › Distance from Mason to Erwin Book Hotels

Distance from Mason, IL to Erwin, SD

Distance

822 mi

Time

15 hours 1 min

Gas Cost

$77 - $150

There are 593.68 miles from Mason to Erwin in northwest direction and 822 miles (1,322.88 kilometers) by car, following the I-29 route.

Mason and Erwin are 15 hours 1 min far apart, if you drive non-stop .

This is the fastest route from Mason, IL to Erwin, SD.

Mason, IL and Erwin, SD are in the same time zone (CDT). Current time in both locations is 2:58 am.

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Lowest Price Rental Cars in Mason, IL

Planning on renting a car to go from Mason, IL to Erwin, SD? Here there are some offers to rent a car in Mason, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Mason »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 33.03 gallons of gas to cover the route between Mason, IL and Erwin, SD.

The estimated cost of gas to go from Mason to Erwin is $108.70.

During the route, an average car will release 647.11 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 $3.29 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Mason, IL and Erwin, SD

If you want to meet halfway between Mason, IL and Erwin, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.683061 and -93.015294, or 41º 40' 59.0196" N, 93º 0' 55.0584" W. This location is 411.21 miles away from Mason, IL and Erwin, SD and it would take approximately 7 hours 30 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Newton, IA, situated 411 miles from Mason, IL and 414 miles from Erwin, SD. It would take 7 hours 32 mins to go from Mason to Newton and 7 hours 38 mins to go from Erwin to Newton.