Distance between cities › USA › Montana › Roberts, MT › Distance from Roberts to Phoenix Sky Harbor International Airport Book Hotels

Distance from Roberts, MT to PHX Airport

Distance

1,176 mi

Time

22 hours 9 mins

Gas Cost

$108 - $209

Helpful Inaccurate

There are 837.45 miles from Roberts to Phoenix Sky Harbor International Airport (PHX) in south direction and 1,176 miles (1,892.59 kilometers) by car, following the I-15 route.

Roberts and PHX Airport are 22 hours 9 mins far apart, if you drive non-stop .

This is the fastest route from Roberts, MT to PHX Airport. The halfway point is Spanish Fork, UT.

Please note the time difference between Roberts, MT and PHX Airport is 1 hour. The current time in Roberts is 8:55 pm and the current time in PHX Airport is 7:55 pm.

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Lowest Price Rental Cars in Roberts, MT

Planning on renting a car to go from Roberts, MT to PHX Airport? Here there are some offers to rent a car in Roberts, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Roberts »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 47.21 gallons of gas to cover the route between Roberts, MT and PHX Airport.

The estimated cost of gas to go from Roberts to PHX Airport is $151.27.

During the route, an average car will release 924.99 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Roberts, MT and PHX Airport

If you want to meet halfway between Roberts, MT and PHX Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.123253 and -111.651825, or 40º 7' 23.7108" N, 111º 39' 6.57" W. This location is 587.80 miles away from Roberts, MT and PHX Airport and it would take approximately 11 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 Spanish Fork, UT, situated 619 miles from Roberts, MT and 656 miles from PHX Airport. It would take 10 hours 7 mins to go from Roberts to Spanish Fork and 10 hours 31 mins to go from PHX to Spanish Fork.

Major City Closest to Halfway Point

The major city closest to the halfway point between Roberts, MT and PHX Airport is Provo, UT, situated 611 miles from Roberts, MT and 663 miles from PHX Airport. It would take 10 hours 1 min to go from Roberts to and 10 hours 38 mins to go from PHX to Provo.