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

Distance from Shell, WY to Mill Valley, CA

Distance

1,194 mi

Time

21 hours 9 mins

Gas Cost

$111 - $216

There are 891.65 miles from Shell to Mill Valley in southwest direction and 1,194 miles (1,921.56 kilometers) by car, following the I-80 route.

Shell and Mill Valley are 21 hours 9 mins far apart, if you drive non-stop .

This is the fastest route from Shell, WY to Mill Valley, CA.

Please note the time difference between Shell, WY and Mill Valley, CA is 1 hour. The current time in Shell is 7:36 am and the current time in Mill Valley is 6:36 am.

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Lowest Price Rental Cars in Shell, WY

Planning on renting a car to go from Shell, WY to Mill Valley, CA? 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 47.96 gallons of gas to cover the route between Shell, WY and Mill Valley, CA.

The estimated cost of gas to go from Shell to Mill Valley is $156.45.

During the route, an average car will release 939.63 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 Mill Valley, CA

If you want to meet halfway between Shell, WY and Mill Valley, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.860223 and -114.225484, or 40º 51' 36.8028" N, 114º 13' 31.7424" W. This location is 597.10 miles away from Shell, WY and Mill Valley, CA and it would take approximately 10 hours 34 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Wendover, NV, situated 582 miles from Shell, WY and 612 miles from Mill Valley, CA. It would take 10 hours 24 mins to go from Shell to Wendover and 10 hours 49 mins to go from Mill Valley to Wendover.