How far is North Sioux City, SD from Spearfish, SD?
Fastest route
The distance between North Sioux City, South Dakota 57049, and Spearfish, South Dakota is approximately 466 miles (750 kilometers), and the fastest route is via I-90 W. The estimated travel time is 6 hours and 29 minutes.
Directions
- Get on I-29 N.
- Head northwest on Military Rd toward Main St.
- Turn left onto Northshore Dr.
- Turn right to merge onto I-29 N toward Elk Point.
- Take I-90 W.
- Take exit 12 for Jackson Blvd toward State Univ/Black Hls.
- Follow E Jackson Blvd to N Main St.
- Turn left onto E Jackson Blvd.
Tips & Suggestions
- 🚗 Consider taking breaks during the long drive to stay refreshed and alert.
- ⛽ Make sure your vehicle is in good condition and has enough fuel for the journey.
- 📅 Check the weather conditions along the route and at your destination before starting the trip.
- 🛣️ Keep an eye out for road signs and follow the directions carefully to avoid getting lost.
- 🕑 Be mindful of the time zone difference at your destination to plan your arrival accordingly.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 06h 44m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Lyman County, South Dakota, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Chance Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between North Sioux City and Spearfish.
Turn-by-Turn Driving Directions
Step-by-step road directions between North Sioux City and Spearfish.
-
1
Start on Military Road
829 ft · 27 sec · Military Road
-
2
Turn right onto River Drive
1.4 km · 2 min · River Drive
-
3
Take the ramp right toward I 29 North
1334 ft · 33 sec
-
4
Merge slight left
81.4 mi · 1 hr 19 min
-
5
Take the exit slight right toward I 90 West: Rapid City
1236 ft · 30 sec
-
6
Merge slight left
384.2 mi · 6 hr 6 min
-
7
Take the exit slight right toward Jackson Boulevard, Black Hills State University
1541 ft · 43 sec
-
8
Turn left onto East Jackson Boulevard
1 km · 2 min · East Jackson Boulevard
-
9
Turn left onto North Main Street
45 m · 14 sec · North Main Street
-
10
Arrive at your destination
0 m · 1 sec · North Main Street
Car Route Details
A richer read on the saved driving route between North Sioux City and Spearfish.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 90 West
Merge slight left
384 mi · 06h 06m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Partly Sunny then Chance Showers And Thunderstorms leaving North Sioux City and Showers And Thunderstorms near Spearfish.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from North Sioux City to Spearfish?
The road trip is about 468.2 miles (753.5 km) and usually takes 06h 44m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Reliance is a useful midpoint, sitting about 233.6 miles from North Sioux City and 234.6 miles from Spearfish.
How much longer is the road route than the straight-line distance?
The direct path is about 393.6 miles (633.4 km), while the road route adds roughly 74.6 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $62.30 one way or $124.59 round trip. Estimated CO2 is about 146.8 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between North Sioux City and Spearfish, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Showers And Thunderstorms around North Sioux City and Showers And Thunderstorms near Spearfish.
Flight Path Map
This map shows the direct air route between North Sioux City and Spearfish. Straight-line distance: 393.57 mi (633.39 km).
#1 North Sioux City
City in Union County South Dakota, United States
| Population | 2,928 |
| Coordinates | 42.5272200, -96.4830900 |
| Altitude | 337 |
| Country | United States |
#2 Spearfish
City in Lawrence County, South Dakota, United States
| Population | 11,900 |
| Coordinates | 44.4908200, -103.8593700 |
| Altitude | 1112 |
| Country | United States |
End: North Main Street (-103.859247, 44.49086)
Estimated Travel Time
Distance: 754 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 15h 36m |
| 40 mph (64.37 km/h) | 11h 42m |
| 50 mph (80.47 km/h) | 09h 21m |
| 60 mph (96.56 km/h) | 07h 48m |
| 70 mph (112.65 km/h) | 06h 41m |
| 80 mph (129 km/h) | 05h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $62.30 | $124.59 |
| Mid-grade | $4.25 | $70.26 | $140.52 |
| Premium | $4.65 | $76.88 | $153.77 |
| Diesel | $5.30 | $87.62 | $175.24 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in South Dakota · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.