Distance between cities › USA › Montana › Nye, MT › Distance from Nye to Keystone Book Hotels

Distance from Nye, MT to Keystone, SD

Distance

417 mi

Time

7 hours 53 mins

Gas Cost

$39 - $76

There are 331.48 miles from Nye to Keystone in southeast direction and 417 miles (671.10 kilometers) by car, following the US-212 and MT 59 route.

Nye and Keystone are 7 hours 53 mins far apart, if you drive non-stop .

This is the fastest route from Nye, MT to Keystone, SD. The halfway point is Buffalo, WY.

Nye, MT and Keystone, SD are in the same time zone (MDT). Current time in both locations is 5:34 am.

Any questions or tips to share?

Share with fellow travellers any question or tips about the route from Nye, MT to Keystone, SD:

Lowest Price Rental Cars in Nye, MT

Planning on renting a car to go from Nye, MT to Keystone, SD? Here there are some offers to rent a car in Nye, MT

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Nye »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 16.74 gallons of gas to cover the route between Nye, MT and Keystone, SD.

The estimated cost of gas to go from Nye to Keystone is $54.60.

During the route, an average car will release 327.91 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 Nye, MT and Keystone, SD

If you want to meet halfway between Nye, MT and Keystone, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.383221 and -106.693954, or 44º 22' 59.5956" N, 106º 41' 38.2344" W. This location is 208.38 miles away from Nye, MT and Keystone, SD and it would take approximately 3 hours 56 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Buffalo, WY, situated 243 miles from Nye, MT and 232 miles from Keystone, SD. It would take 4 hours 38 mins to go from Nye to Buffalo and 3 hours 26 mins to go from Keystone to Buffalo.