Distance between cities › USA › Montana › Norris, MT › Distance from Norris to Irwin Book Hotels

Distance from Norris, MT to Irwin, ID

Distance

191 mi

Time

3 hours 51 mins

Gas Cost

$18 - $35

There are 150.61 miles from Norris to Irwin in south direction and 191 miles (307.38 kilometers) by car, following the US-20 route.

Norris and Irwin are 3 hours 51 mins far apart, if you drive non-stop .

This is the fastest route from Norris, MT to Irwin, ID. The halfway point is Island Park, ID.

Norris, MT and Irwin, ID are in the same time zone (MDT). Current time in both locations is 9:42 am.

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Lowest Price Rental Cars in Norris, MT

Planning on renting a car to go from Norris, MT to Irwin, ID? Here there are some offers to rent a car in Norris, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Norris »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 7.67 gallons of gas to cover the route between Norris, MT and Irwin, ID.

The estimated cost of gas to go from Norris to Irwin is $25.03.

During the route, an average car will release 150.31 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 Norris, MT and Irwin, ID

If you want to meet halfway between Norris, MT and Irwin, ID or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.300060 and -111.459572, or 44º 18' 0.216" N, 111º 27' 34.4592" W. This location is 95.52 miles away from Norris, MT and Irwin, ID and it would take approximately 1 hour 55 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Island Park, ID, situated 90 miles from Norris, MT and 102 miles from Irwin, ID. It would take 1 hour 33 mins to go from Norris to Island Park and 1 hour 54 mins to go from Irwin to Island Park.