Now let's assume you have a private jet and you can fly in the fastest possible straight line between Hill City, South Dakota and Keystone, South Dakota. Because of the curvature of the Earth, the shortest distance is actually the "great circle" distance, or "as the crow flies" which is calculated using an iterative Vincenty formula.
Flight distance: 8 miles or 13 km
Flight time: 31 minutes
The straight line flight distance is 4 miles less than driving on roads, which means the driving distance is roughly 1.5x of the flight distance.
Your plane flies much faster than a car, so the flight time is about 1/1th of the time it would take to drive.
This is a relatively short flight in a private plane, but you might be planning to book a commercial flight. In that case, your travel time would really need to include how many minutes to get to your local airport, wait for security, board and taxi on the runway, land at the other airport, and get to your destination.
Hill City to Keystone (South Dakota) road trip
Let's say you're actually planning a road trip to Keystone (South Dakota), and you want to stop on the way to explore. If it's a real road trip, you might want to check out interesting places along the way, or maybe eat at a great restaurant. That's what Trippy is perfect for, helping you figure out travel plans in detail.
Road trip: 1 day of driving
With the full itinerary planned out, we can estimate your total travel time for this trip.
Travel time: 32 minutes on the road
Itinerary
Start in Hill City.
To see all the details on this itinerary, including recommended restaurants, hotels, and things to do along the way, check out the full road trip planner:
There are 8.22 miles from Hill City to Keystone in southeast direction and 12 miles (19.31 kilometers) by car, following the US-16 route.
Hill City and Keystone are 18 minutes far apart, if you drive non-stop .
This is the fastest route from Hill City, SD to Keystone, SD.
Hill City, SD and Keystone, SD are in the same time zone (MDT). Current time in both locations is 11:48 am.
Any questions or tips to share?
Share with fellow travellers any question or tips about the route from Hill City, SD to Keystone, SD:
Gas Consumption and Emissions
A car with a fuel efficiency of MPG will need 0.48 gallons of gas to cover the route between Hill City, SD and Keystone, SD.
The estimated cost of gas to go from Hill City to Keystone is $1.73.
During the route, an average car will release 9.46 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 $3.59 per gallon of regular gas. Price last updated on November 19, 2022.
- Read more about our CO2 calculation.
Best Hotels In or Near Keystone, SD
Do you have where to stay when you arrive to Keystone, SD? Check out our hotel recommendations:
Halfway Point Between Hill City, SD and Keystone, SD
If you want to meet halfway between Hill City, SD 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 43.926834 and -103.494461, or 43º 55' 36.6024" N, 103º 29' 40.0596" W. This location is 6.01 miles away from Hill City, SD and Keystone, SD and it would take approximately 9 minutes to reach the halfway point from both locations.
Weather in Hill City and Keystone
Compare the weather today and the next four days in Hill City, SD and Keystone, SD:
Lowest Price Rental Cars in Hill City, SD
Planning on renting a car to go from Hill City, SD to Keystone, SD? Here there are some offers to rent a car in or near Hill City, SD:
Small
From $14
Intermediate
From $18
Full-size
From $24
SUVs
From $28
Vans
From $40
Compare rental car prices in Hill City »
Distance conversions
Checkout the distance in miles, kilometers and nautical miles between Hill City, SD and Keystone, SD in this table:
Straight line distance | 8.22 mi | 13.23 km | 7.14 nautical mi |
Driving distance | 12 mi | 19.35 km | 10.45 nautical mi |
Road Trip Tips
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