Distance between cities › USA › South Dakota › Webster, SD › Distance from Webster to Diamond Book Hotels

Distance from Webster, SD to Diamond, OR

Distance

1,487 mi

Time

1 day 3 hours

Gas Cost

$139 - $270

There are 1,056.97 miles from Webster to Diamond in west direction and 1,487 miles (2,393.09 kilometers) by car, following the I-94 route.

Webster and Diamond are 1 day 3 hours far apart, if you drive non-stop .

This is the fastest route from Webster, SD to Diamond, OR.

Please note the time difference between Webster, SD and Diamond, OR is 2 hours. The current time in Webster is 10:04 am and the current time in Diamond is 8:04 am.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Diamond, OR? Here there are some offers to rent a car in Webster, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Webster »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 59.73 gallons of gas to cover the route between Webster, SD and Diamond, OR.

The estimated cost of gas to go from Webster to Diamond is $194.85.

During the route, an average car will release 1,170.31 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 Webster, SD and Diamond, OR

If you want to meet halfway between Webster, SD and Diamond, OR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 45.658085 and -109.309356, or 45º 39' 29.106" N, 109º 18' 33.6816" W. This location is 743.69 miles away from Webster, SD and Diamond, OR and it would take approximately 13 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 Columbus, MT, situated 707 miles from Webster, SD and 782 miles from Diamond, OR. It would take 12 hours 3 mins to go from Webster to Columbus and 15 hours 10 mins to go from Diamond to Columbus.