How far is Harrisburg, SD from Tyndall, SD?
The driving distance from Harrisburg, SD to Tyndall, SD is about 90.3 miles (145.3 km), with a travel time of about 02h 02m by car.
- The straight-line flight distance is about 66.1 miles (106.3 km).
- For a round trip, plan for roughly 04h 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.
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.
This route works well as a day trip with time at the destination.
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 02h 02m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
City in Clay, Turner, and Yankton counties in South Dakota, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Harrisburg and Tyndall.
Turn-by-Turn Driving Directions
Step-by-step road directions between Harrisburg and Tyndall.
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1
Start on East Willow Street
1.5 mi · 3 min · East Willow Street
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2
Turn left onto SD Highway 115
3 mi · 4 min · SD Highway 115
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3
Turn right onto 276th Street
3.6 mi · 5 min · 276th Street
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4
Take the ramp left
2259 ft · 55 sec
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5
Merge slight left
20.3 mi · 19 min
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6
Take the exit slight right
1690 ft · 43 sec
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7
Turn right onto West Cedar Street
2190 ft · 37 sec · West Cedar Street
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8
Continue on SD Highway 46
17.5 mi · 26 min · SD Highway 46
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9
Continue on East Main Street
3227 ft · 55 sec · East Main Street
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10
Continue on SD Highway 46
35.9 mi · 46 min · SD Highway 46
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11
Turn left onto 416th Avenue
5.8 mi · 14 min · 416th Avenue
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12
Turn left onto West 24th Avenue
2601 ft · 1 min · West 24th Avenue
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13
Continue on Main Street
2246 ft · 1 min · Main Street
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14
Turn right onto West 18th Avenue
15 m · 2 sec · West 18th Avenue
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15
Arrive at your destination
0 m · 1 sec · West 18th Avenue
Car Route Details
A richer read on the saved driving route between Harrisburg and Tyndall.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
SD Highway 46
Continue on SD Highway 46
35.9 mi · 00h 46m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Harrisburg and Mostly Sunny near Tyndall.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Harrisburg to Tyndall?
The road trip is about 90.3 miles (145.3 km) and usually takes 02h 02m 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?
Irene is a useful midpoint, sitting about 45 miles from Harrisburg and 45.2 miles from Tyndall.
How much longer is the road route than the straight-line distance?
The direct path is about 66.1 miles (106.3 km), while the road route adds roughly 24.2 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 2:26 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.03 one way or $24.06 round trip. Estimated CO2 is about 28.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Harrisburg and Mostly Sunny near Tyndall.
Flight Path Map
This map shows the direct air route between Harrisburg and Tyndall. Straight-line distance: 66.04 mi (106.28 km).
#1 Harrisburg
City in South Dakota, United States of America
| Population | 7,126 |
| Coordinates | 43.4313700, -96.6972700 |
| Altitude | 435 |
| Country | United States |
#2 Tyndall
City in and county seat of Bon Homme County, South Dakota, United States
| Population | 1,015 |
| Coordinates | 42.9933300, -97.8628500 |
| Altitude | 433 |
| Country | United States |
End: Tyndall (-97.86285, 42.99333)
Estimated Travel Time
Distance: 145 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 00m |
| 40 mph (64.37 km/h) | 02h 15m |
| 50 mph (80.47 km/h) | 01h 48m |
| 60 mph (96.56 km/h) | 01h 30m |
| 70 mph (112.65 km/h) | 01h 17m |
| 80 mph (129 km/h) | 01h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $12.03 | $24.06 |
| Mid-grade | $4.25 | $13.57 | $27.13 |
| Premium | $4.65 | $14.85 | $29.69 |
| Diesel | $5.30 | $16.92 | $33.84 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.