How far is Fort Thompson, SD from Brandon, SD?

The driving distance from Fort Thompson, SD to Brandon, SD is about 166.5 miles (267.9 km), with a travel time of about 02h 32m by car.

  • The straight-line flight distance is about 146.5 miles (235.8 km).
  • For a round trip, plan for roughly 05h 04m 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
166.48 mi
02h 32m
Flight
146.54 mi
235.83 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
146.54 mi
Kilometers
235.83 km
Flight Time
00h 17m

Driving Distance

Road route
166.48 mi
Kilometers
267.93 km
Drive Time
02h 32m

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 32m.

Arrival Snapshot
Arrive in Brandon
Wed, Apr 15, 11:40 PM CDT
Return by in Fort Thompson
Thu, Apr 16, 2:12 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Fort Thompson
2026-04-15T21:08
Arrive Brandon
Wed, Apr 15, 11:40 PM CDT
Route Timing
02h 32m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:32 AM to 12:32 PM CDT

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

Leave by
1:26 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
Mount Vernon
SD

City in South Dakota, United States

From Fort Thompson
85.2 mi
01h 16m
To Brandon
81.3 mi
01h 16m

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
72°F
Today

Mostly Sunny then Slight Chance Rain Showers

Starts
Wed, Apr 15 9:00 AM CDT
Wind
0 to 5 mph ENE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Fort Thompson and Brandon.

  1. 1

    Start on BIA Route 4

    20 m · 2 sec · BIA Route 4

  2. 2

    Turn right onto SD Highway 249

    1.1 mi · 2 min · SD Highway 249

  3. 3

    Turn straight onto SD Highway 34

    4.6 mi · 7 min · SD Highway 34

  4. 4

    Turn right onto SD Highway 50

    18.8 mi · 28 min · SD Highway 50

  5. 5

    Continue on North Main Street

    1.5 km · 2 min · North Main Street

  6. 6

    Turn left onto East Mott Avenue

    101 m · 17 sec · East Mott Avenue

  7. 7

    Turn right onto North Sanborn Street

    1625 ft · 1 min · North Sanborn Street

  8. 8

    Turn left onto East King Street

    3.2 mi · 5 min · East King Street

  9. 9

    Take the ramp left toward I 90 East

    1848 ft · 45 sec

  10. 10

    Merge slight left

    140 mi · 2 hr 13 min

  11. 11

    Take the exit slight right toward SD 11: Corson, Brandon

    1100 ft · 27 sec

  12. 12

    Keep slight right to continue on SD 11: Corson, Brandon

    69 m · 6 sec

  13. 13

    Turn slight right onto North Splitrock Boulevard

    1.4 km · 2 min · North Splitrock Boulevard

  14. 14

    Turn left onto East Sylvan Circle

    33 m · 12 sec · East Sylvan Circle

  15. 15

    Turn left onto North Pipestone Street

    13 m · 2 sec · North Pipestone Street

  16. 16

    Arrive at your destination

    0 m · 1 sec · North Pipestone Street

Car Route Details

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

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
16 steps
9 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
9.6 / 100 mi
Decision points by distance
Main Roads
I 90 East
140 mi · 84%
SD Highway 50
18.8 mi · 11%
SD Highway 34
4.63 mi · 3%
East King Street
3.24 mi · 2%
SD Highway 249
1.13 mi · 1%
North Main Street
0.96 mi · 1%
Longest Stretch

I 90 East

Merge slight left

140 mi · 02h 13m

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 32m
Day trip friendly
Same-Day Return
05h 04m
Round-trip wheel time
Road vs Air
+20 mi
146.5 mi direct line
Halfway Stop
Mount Vernon
01h 16m from Fort Thompson
Leave By
1:26 PM CDT
Morning start is best
Weather Watch

Sunny leaving Fort Thompson and Mostly Sunny then Slight Chance Rain Showers near Brandon.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Fort Thompson to Brandon?

The road trip is about 166.5 miles (267.9 km) and usually takes 02h 32m 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?

Mount Vernon is a useful midpoint, sitting about 85.2 miles from Fort Thompson and 81.3 miles from Brandon.

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

The direct path is about 146.5 miles (235.8 km), while the road route adds roughly 20 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 1:26 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $22.17 one way or $44.35 round trip. Estimated CO2 is about 52.3 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Fort Thompson and Mostly Sunny then Slight Chance Rain Showers near Brandon.

Flight Path Map

This map shows the direct air route between Fort Thompson and Brandon. Straight-line distance: 146.54 mi (235.83 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
Brandon

#2 Brandon

City in South Dakota, United States of America

Population10,168
Coordinates43.5947000, -96.5719900
Altitude413
CountryUnited States
Start: East Fort Thompson Road (-99.437831, 44.0686)
End: Pipestone Street (-96.57196, 43.594698)

Estimated Travel Time

Distance: 268 km by road

SpeedTime
30 mph (48.3 km/h)05h 32m
40 mph (64.37 km/h)04h 09m
50 mph (80.47 km/h)03h 19m
60 mph (96.56 km/h)02h 46m
70 mph (112.65 km/h)02h 22m
80 mph (129 km/h)02h 04m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.88 gal
22.24 L · about $22.17
Round trip
$44.35
11.76 gal · 44.48 L
Estimated CO2
52.3 kg one way
Round trip: 104.5 kg / 230 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $22.17 $44.35
Mid-grade $4.25 $25.01 $50.02
Premium $4.65 $27.37 $54.73
Diesel $5.30 $31.19 $62.38

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

There is no time difference between Fort Thompson and Brandon. The current time is 21:08:24.

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.