Distance between cities › USA › Wyoming › Shell, WY › Distance from Shell to Armstrong Book Hotels

Distance from Shell, WY to Armstrong, MO

Distance

1,122 mi

Time

19 hours 48 mins

Gas Cost

$105 - $203

There are 854.78 miles from Shell to Armstrong in southeast direction and 1,122 miles (1,805.68 kilometers) by car, following the I-29 route.

Shell and Armstrong are 19 hours 48 mins far apart, if you drive non-stop .

This is the fastest route from Shell, WY to Armstrong, MO.

Please note the time difference between Shell, WY and Armstrong, MO is 1 hour. The current time in Shell is 7:33 am and the current time in Armstrong is 8:33 am.

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Lowest Price Rental Cars in Shell, WY

Planning on renting a car to go from Shell, WY to Armstrong, MO? Here there are some offers to rent a car in Shell, WY

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Shell »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 45.08 gallons of gas to cover the route between Shell, WY and Armstrong, MO.

The estimated cost of gas to go from Shell to Armstrong is $147.04.

During the route, an average car will release 883.11 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 Shell, WY and Armstrong, MO

If you want to meet halfway between Shell, WY and Armstrong, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.752289 and -99.170639, or 43º 45' 8.2404" N, 99º 10' 14.3004" W. This location is 561.19 miles away from Shell, WY and Armstrong, MO and it would take approximately 9 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 Pukwana, SD, situated 536 miles from Shell, WY and 590 miles from Armstrong, MO. It would take 9 hours 12 mins to go from Shell to Pukwana and 10 hours 45 mins to go from Armstrong to Pukwana.