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

Distance from Adams, OR to Seneca, SD

Distance

1,283 mi

Time

23 hours 21 mins

Gas Cost

$117 - $228

There are 923.05 miles from Adams to Seneca in east direction and 1,283 miles (2,064.79 kilometers) by car, following the I-90 and US-2 and US-395 route.

Adams and Seneca are 23 hours 21 mins far apart, if you drive non-stop .

This is the fastest route from Adams, OR to Seneca, SD.

Please note the time difference between Adams, OR and Seneca, SD is 2 hours. The current time in Adams is 3:35 pm and the current time in Seneca is 5:35 pm.

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Lowest Price Rental Cars in Adams, OR

Planning on renting a car to go from Adams, OR to Seneca, SD? 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 51.55 gallons of gas to cover the route between Adams, OR and Seneca, SD.

The estimated cost of gas to go from Adams to Seneca is $165.15.

During the route, an average car will release 1,009.88 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 Seneca, SD

If you want to meet halfway between Adams, OR and Seneca, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.749868 and -110.163007, or 45º 44' 59.5248" N, 110º 9' 46.8252" W. This location is 641.74 miles away from Adams, OR and Seneca, SD and it would take approximately 11 hours 40 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Springdale, MT, situated 645 miles from Adams, OR and 640 miles from Seneca, SD. It would take 11 hours 25 mins to go from Adams to Springdale and 12 hours 1 min to go from Seneca to Springdale.