How far is Fort Thompson, SD from Box Elder, SD?

The driving distance from Fort Thompson, SD to Box Elder, SD is about 203.3 miles (327.2 km), with a travel time of about 02h 58m by car.

  • The straight-line flight distance is about 180.2 miles (290 km).
  • For a round trip, plan for roughly 05h 57m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
203.29 mi
02h 58m
Flight
180.17 mi
289.95 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Fort Thompson.

Flight Distance

Direct air line
180.17 mi
Kilometers
289.95 km
Flight Time
00h 21m

Driving Distance

Road route
203.29 mi
Kilometers
327.16 km
Drive Time
02h 58m

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 02h 58m.

Arrival Snapshot
Arrive in Box Elder
Wed, Apr 15, 11:11 PM MDT
Return by in Fort Thompson
Thu, Apr 16, 3:10 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Fort Thompson
2026-04-15T21:13
Arrive Box Elder
Thu, Apr 16, 12:11 AM CDT
Route Timing
02h 58m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:59 AM to 11:59 AM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:32 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Fort Thompson
9:30 PM CDT
Morning start is best

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.

Mid-route stop
Belvidere
SD

Town in South Dakota, United States of America

From Fort Thompson
101.5 mi
01h 29m
To Box Elder
101.7 mi
01h 29m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
74°F
This Afternoon

Sunny

Starts
Wed, Apr 15 12:00 PM CDT
Wind
6 to 10 mph W
Destination
74°F
Today

Sunny

Starts
Wed, Apr 15 8:00 AM MDT
Wind
5 to 13 mph S

Driving Route Map

The map below follows the saved road route between Fort Thompson and Box Elder.

Turn-by-Turn Driving Directions

Step-by-step road directions between Fort Thompson and Box Elder.

  1. 1

    Start on BIA Route 4

    20 m · 9 sec · BIA Route 4

  2. 2

    Turn sharp left onto SD Highway 47

    2.2 mi · 3 min · SD Highway 47

  3. 3

    Continue on SD Highway 47

    17.2 mi · 26 min · SD Highway 47

  4. 4

    Continue straight

    1.1 km · 1 min

  5. 5

    Take the ramp right

    1241 ft · 30 sec

  6. 6

    Merge slight left

    181.2 mi · 2 hr 50 min

  7. 7

    Take the exit slight right toward Box Elder, Elisworth AirForce Base

    1962 ft · 48 sec

  8. 8

    Keep slight left

    28 m · 7 sec

  9. 9

    Turn left onto Liberty Boulevard

    2562 ft · 52 sec · Liberty Boulevard

  10. 10

    Turn right onto Highway 1416

    1.5 km · 2 min · Highway 1416

  11. 11

    Turn left onto Oak Street

    671 ft · 32 sec · Oak Street

  12. 12

    Turn right onto Front Street

    29 m · 4 sec · Front Street

  13. 13

    Arrive at your destination

    0 m · 1 sec · Front Street

Car Route Details

A richer read on the saved driving route between Fort Thompson and Box Elder.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
13 steps
5 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
6.4 / 100 mi
Decision points by distance
Main Roads
SD Highway 47
202 mi · 99%
Highway 1416
0.9 mi
Liberty Boulevard
0.49 mi
Oak Street
0.13 mi
Front Street
0.02 mi
BIA Route 4
0.01 mi
Longest Stretch

SD Highway 47

Merge slight left

181 mi · 02h 50m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 58m
Day trip friendly
Same-Day Return
05h 58m
Round-trip wheel time
Road vs Air
+23.1 mi
180.2 mi direct line
Halfway Stop
Belvidere
01h 29m from Fort Thompson
Leave By
12:32 PM CDT
Morning start is best
Weather Watch

Sunny leaving Fort Thompson and Sunny near Box Elder.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Fort Thompson to Box Elder?

The road trip is about 203.3 miles (327.2 km) and usually takes 02h 58m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Belvidere is a useful midpoint, sitting about 101.5 miles from Fort Thompson and 101.7 miles from Box Elder.

How much longer is the road route than the straight-line distance?

The direct path is about 180.2 miles (290 km), while the road route adds roughly 23.1 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 12:32 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $27.04 one way or $54.08 round trip. Estimated CO2 is about 63.7 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Fort Thompson and Box Elder, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Sunny around Fort Thompson and Sunny near Box Elder.

Flight Path Map

This map shows the direct air route between Fort Thompson and Box Elder. Straight-line distance: 180.17 mi (289.95 km).

Fort Thompson

#1 Fort Thompson

Census-designated place in Buffalo County, South Dakota, United States

Population1,282
Coordinates44.0686000, -99.4378800
Altitude439
CountryUnited States
Box Elder

#2 Box Elder

City in Pennington County, South Dakota, United States

Population7,165
Coordinates44.1124900, -103.0682300
Altitude925
CountryUnited States
Start: East Fort Thompson Road (-99.437831, 44.0686)
End: Front Street (-103.068237, 44.112405)

Estimated Travel Time

Distance: 327 km by road

SpeedTime
30 mph (48.3 km/h)06h 46m
40 mph (64.37 km/h)05h 04m
50 mph (80.47 km/h)04h 03m
60 mph (96.56 km/h)03h 23m
70 mph (112.65 km/h)02h 54m
80 mph (129 km/h)02h 32m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.17 gal
27.15 L · about $27.04
Round trip
$54.08
14.34 gal · 54.3 L
Estimated CO2
63.7 kg one way
Round trip: 127.4 kg / 281 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $27.04 $54.08
Mid-grade $4.25 $30.49 $60.99
Premium $4.65 $33.37 $66.74
Diesel $5.30 $38.03 $76.06

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 · Apr 16, 2026

Please keep in mind that there is a 1 hour time gap between Fort Thompson, SD and Box Elder, SD. The current time in Fort Thompson is 21:13:16, although it is 20:13:16 in Box Elder.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.