Distance between cities › USA › Montana › Boulder, MT › Distance from Boulder to Philadelphia International Airport Book Hotels

Distance from Boulder, MT to PHL Airport

Distance

2,217 mi

Time

1 day 15 hours

Gas Cost

$207 - $402

Helpful Inaccurate

There are 1,894.78 miles from Boulder to Philadelphia International Airport (PHL) in southeast direction and 2,217 miles (3,567.92 kilometers) by car, following the I-90 and US-14 and US-16 Truck and SD 79 route.

Boulder and PHL Airport are 1 day 15 hours far apart, if you drive non-stop .

This is the fastest route from Boulder, MT to PHL Airport. The halfway point is Alden, MN.

Please note the time difference between Boulder, MT and PHL Airport is 2 hours. The current time in Boulder is 9:20 pm and the current time in PHL Airport is 11:20 pm.

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Lowest Price Rental Cars in Boulder, MT

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Boulder »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 89.02 gallons of gas to cover the route between Boulder, MT and PHL Airport.

The estimated cost of gas to go from Boulder to PHL Airport is $290.39.

During the route, an average car will release 1,744.11 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 Boulder, MT and PHL Airport

If you want to meet halfway between Boulder, MT and PHL Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.661728 and -93.585419, or 43º 39' 42.2208" N, 93º 35' 7.5084" W. This location is 1,108.32 miles away from Boulder, MT and PHL Airport and it would take approximately 19 hours 54 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Alden, MN, situated 1,097 miles from Boulder, MT and 1,168 miles from PHL Airport. It would take 16 hours to go from Boulder to Alden and 17 hours 36 mins to go from PHL to Alden.