Distance between cities › USA › Arkansas › Blackwell, AR › Distance from Blackwell to Ralph Book Hotels

Distance from Blackwell, AR to Ralph, SD

Distance

1,172 mi

Time

21 hours 46 mins

Gas Cost

$109 - $212

There are 904.12 miles from Blackwell to Ralph in northwest direction and 1,172 miles (1,886.15 kilometers) by car, following the I-29 and US-6 route.

Blackwell and Ralph are 21 hours 46 mins far apart, if you drive non-stop .

This is the fastest route from Blackwell, AR to Ralph, SD.

Please note the time difference between Blackwell, AR and Ralph, SD is 1 hour. The current time in Blackwell is 10:07 am and the current time in Ralph is 9:07 am.

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Lowest Price Rental Cars in Blackwell, AR

Planning on renting a car to go from Blackwell, AR to Ralph, SD? Here there are some offers to rent a car in Blackwell, AR

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Blackwell »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 47.09 gallons of gas to cover the route between Blackwell, AR and Ralph, SD.

The estimated cost of gas to go from Blackwell to Ralph is $153.59.

During the route, an average car will release 922.50 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 Blackwell, AR and Ralph, SD

If you want to meet halfway between Blackwell, AR 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 42.234736 and -96.242949, or 42º 14' 5.0496" N, 96º 14' 34.6164" W. This location is 586.22 miles away from Blackwell, AR and Ralph, SD and it would take approximately 10 hours 53 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Sloan, IA, situated 626 miles from Blackwell, AR and 549 miles from Ralph, SD. It would take 11 hours 17 mins to go from Blackwell to Sloan and 10 hours 35 mins to go from Ralph to Sloan.