Distance between cities › USA › Oregon › Adams, OR › Distance from Adams to Harmans Book Hotels

Distance from Adams, OR to Harmans, MD

Distance

2,605 mi

Time

1 day 21 hours

Gas Cost

$238 - $464

There are 2,156.44 miles from Adams to Harmans in southeast direction and 2,605 miles (4,192.34 kilometers) by car, following the I-80 route.

Adams and Harmans are 1 day 21 hours far apart, if you drive non-stop .

This is the fastest route from Adams, OR to Harmans, MD.

Please note the time difference between Adams, OR and Harmans, MD is 3 hours. The current time in Adams is 2:16 pm and the current time in Harmans is 5:16 pm.

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Lowest Price Rental Cars in Adams, OR

Planning on renting a car to go from Adams, OR to Harmans, MD? Here there are some offers to rent a car in Adams, OR

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Adams »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 104.62 gallons of gas to cover the route between Adams, OR and Harmans, MD.

The estimated cost of gas to go from Adams to Harmans is $335.21.

During the route, an average car will release 2,049.74 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 Adams, OR and Harmans, MD

If you want to meet halfway between Adams, OR and Harmans, MD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.825525 and -98.338304, or 40º 49' 31.89" N, 98º 20' 17.8944" W. This location is 1,302.54 miles away from Adams, OR and Harmans, MD and it would take approximately 22 hours 46 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Doniphan, NE, situated 1,316 miles from Adams, OR and 1,297 miles from Harmans, MD. It would take 21 hours 57 mins to go from Adams to Doniphan and 23 hours 47 mins to go from Harmans to Doniphan.