Distance between cities › USA › Illinois › Rio, IL › Distance from Rio to Black Eagle Book Hotels

Distance from Rio, IL to Black Eagle, MT

Distance

1,361 mi

Time

1 day

Gas Cost

$127 - $247

There are 1,118.79 miles from Rio to Black Eagle in northwest direction and 1,361 miles (2,190.32 kilometers) by car, following the I-90 route.

Rio and Black Eagle are 1 day far apart, if you drive non-stop .

This is the fastest route from Rio, IL to Black Eagle, MT.

Please note the time difference between Rio, IL and Black Eagle, MT is 1 hour. The current time in Rio is 4:14 am and the current time in Black Eagle is 3:14 am.

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Lowest Price Rental Cars in Rio, IL

Planning on renting a car to go from Rio, IL to Black Eagle, MT? Here there are some offers to rent a car in Rio, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Rio »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 54.67 gallons of gas to cover the route between Rio, IL and Black Eagle, MT.

The estimated cost of gas to go from Rio to Black Eagle is $178.33.

During the route, an average car will release 1,071.10 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 Rio, IL and Black Eagle, MT

If you want to meet halfway between Rio, IL and Black Eagle, MT or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.88322 and -100.694415, or 43º 52' 59.592" N, 100º 41' 39.894" W. This location is 680.64 miles away from Rio, IL and Black Eagle, MT and it would take approximately 12 hours 4 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Murdo, SD, situated 693 miles from Rio, IL and 669 miles from Black Eagle, MT. It would take 12 hours 7 mins to go from Rio to Murdo and 12 hours 3 mins to go from Black Eagle to Murdo.