Distance between cities › USA › Missouri › Henley, MO › Distance from Henley to Erwin Book Hotels

Distance from Henley, MO to Erwin, SD

Distance

640 mi

Time

11 hours 56 mins

Gas Cost

$60 - $116

There are 500.36 miles from Henley to Erwin in northwest direction and 640 miles (1,029.98 kilometers) by car, following the I-29 and US-6 route.

Henley and Erwin are 11 hours 56 mins far apart, if you drive non-stop .

This is the fastest route from Henley, MO to Erwin, SD.

Henley, MO and Erwin, SD are in the same time zone (CDT). Current time in both locations is 7:12 am.

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Lowest Price Rental Cars in Henley, MO

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Henley »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 25.72 gallons of gas to cover the route between Henley, MO and Erwin, SD.

The estimated cost of gas to go from Henley to Erwin is $83.88.

During the route, an average car will release 503.82 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 Henley, MO and Erwin, SD

If you want to meet halfway between Henley, MO 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 40.583411 and -95.651051, or 40º 35' 0.2796" N, 95º 39' 3.7836" W. This location is 320.16 miles away from Henley, MO and Erwin, SD and it would take approximately 5 hours 58 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hamburg, IA, situated 312 miles from Henley, MO and 331 miles from Erwin, SD. It would take 5 hours 54 mins to go from Henley to Hamburg and 6 hours 7 mins to go from Erwin to Hamburg.