Distance between cities › USA › California › Oakley, CA › Distance from Oakley to Mount Vernon Book Hotels

Distance from Oakley, CA to Mount Vernon, SD

Distance

1,628 mi

Time

1 day 4 hours

Gas Cost

$153 - $298

There are 1,282.51 miles from Oakley to Mount Vernon in northeast direction and 1,628 miles (2,620.01 kilometers) by car, following the I-80 route.

Oakley and Mount Vernon are 1 day 4 hours far apart, if you drive non-stop .

This is the fastest route from Oakley, CA to Mount Vernon, SD.

Please note the time difference between Oakley, CA and Mount Vernon, SD is 2 hours. The current time in Oakley is 12:25 am and the current time in Mount Vernon is 2:25 am.

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Lowest Price Rental Cars in Oakley, CA

Planning on renting a car to go from Oakley, CA to Mount Vernon, SD? Here there are some offers to rent a car in Oakley, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Oakley »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 65.38 gallons of gas to cover the route between Oakley, CA and Mount Vernon, SD.

The estimated cost of gas to go from Oakley to Mount Vernon is $215.18.

During the route, an average car will release 1,280.99 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 $3.29 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Oakley, CA and Mount Vernon, SD

If you want to meet halfway between Oakley, CA and Mount Vernon, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.415064 and -110.133022, or 41º 24' 54.2304" N, 110º 7' 58.8792" W. This location is 814.02 miles away from Oakley, CA and Mount Vernon, SD and it would take approximately 14 hours 7 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Lyman, WY, situated 826 miles from Oakley, CA and 806 miles from Mount Vernon, SD. It would take 14 hours 23 mins to go from Oakley to Lyman and 14 hours 1 min to go from Mount Vernon to Lyman.