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

Distance from Webster, SD to Lyman, WY

Distance

958 mi

Time

16 hours 49 mins

Gas Cost

$89 - $174

There are 698.04 miles from Webster to Lyman in southwest direction and 958 miles (1,541.75 kilometers) by car, following the I-90 route.

Webster and Lyman are 16 hours 49 mins far apart, if you drive non-stop .

This is the fastest route from Webster, SD to Lyman, WY.

Please note the time difference between Webster, SD and Lyman, WY is 1 hour. The current time in Webster is 11:44 am and the current time in Lyman is 10:44 am.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Lyman, WY? 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 38.46 gallons of gas to cover the route between Webster, SD and Lyman, WY.

The estimated cost of gas to go from Webster to Lyman is $125.45.

During the route, an average car will release 753.44 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 Lyman, WY

If you want to meet halfway between Webster, SD and Lyman, WY or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 43.431537 and -103.692554, or 43º 25' 53.5332" N, 103º 41' 33.1944" W. This location is 478.79 miles away from Webster, SD and Lyman, WY and it would take approximately 8 hours 24 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Hot Springs, SD, situated 468 miles from Webster, SD and 489 miles from Lyman, WY. It would take 8 hours 2 mins to go from Webster to Hot Springs and 8 hours 47 mins to go from Lyman to Hot Springs.