Distance between cities › USA › Montana › Ryegate, MT › Distance from Ryegate to Sergeant Bluff Book Hotels

Distance from Ryegate, MT to Sergeant Bluff, IA

Distance

810 mi

Time

13 hours 55 mins

Gas Cost

$76 - $147

There are 690.79 miles from Ryegate to Sergeant Bluff in southeast direction and 810 miles (1,303.57 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Ryegate and Sergeant Bluff are 13 hours 55 mins far apart, if you drive non-stop .

This is the fastest route from Ryegate, MT to Sergeant Bluff, IA.

Please note the time difference between Ryegate, MT and Sergeant Bluff, IA is 1 hour. The current time in Ryegate is 11:45 am and the current time in Sergeant Bluff is 12:45 pm.

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Lowest Price Rental Cars in Ryegate, MT

Planning on renting a car to go from Ryegate, MT to Sergeant Bluff, IA? Here there are some offers to rent a car in Ryegate, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Ryegate »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 32.54 gallons of gas to cover the route between Ryegate, MT and Sergeant Bluff, IA.

The estimated cost of gas to go from Ryegate to Sergeant Bluff is $106.16.

During the route, an average car will release 637.61 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 Ryegate, MT and Sergeant Bluff, IA

If you want to meet halfway between Ryegate, MT and Sergeant Bluff, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.103398 and -102.711494, or 44º 6' 12.2328" N, 102º 42' 41.3784" W. This location is 405.18 miles away from Ryegate, MT and Sergeant Bluff, IA and it would take approximately 6 hours 57 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is New Underwood, SD, situated 399 miles from Ryegate, MT and 414 miles from Sergeant Bluff, IA. It would take 7 hours 22 mins to go from Ryegate to New Underwood and 6 hours 38 mins to go from Sergeant Bluff to New Underwood.