How far is Gary, SD from Altamont, SD?
The driving distance from Gary, SD to Altamont, SD is about 21.2 miles (34.1 km), with a travel time of about 00h 29m by car.
- The straight-line flight distance is about 11.9 miles (19.2 km).
- For a round trip, plan for roughly 00h 58m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CST.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 29m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in and county seat of Deuel County, South Dakota, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog
Driving Route Map
The map below follows the saved road route between Gary and Altamont.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gary and Altamont.
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1
Start on 1st Avenue
64 m · 12 sec · 1st Avenue
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2
Turn left onto Coteau Street
698 ft · 21 sec · Coteau Street
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3
Turn right onto Main Avenue
842 ft · 29 sec · Main Avenue
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4
Turn left onto Herrick Street
1328 ft · 45 sec · Herrick Street
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5
Continue on SD Highway 101
2.8 mi · 3 min · SD Highway 101
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6
At the end of the road, turn right onto SD Highway 22
10 mi · 12 min · SD Highway 22
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7
Continue on Highway 22 East
1.6 km · 1 min · Highway 22 East
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8
Turn right onto 3rd Avenue South
1 mi · 2 min · 3rd Avenue South
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9
Continue on SD Highway 15
5.4 mi · 8 min · SD Highway 15
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10
Turn left onto 1st Street
1831 ft · 1 min · 1st Street
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11
Turn left onto Mercedes Street
112 m · 16 sec · Mercedes Street
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12
Arrive at your destination
0 m · 1 sec · Mercedes Street
Car Route Details
A richer read on the saved driving route between Gary and Altamont.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
SD Highway 22
At the end of the road, turn right onto SD Highway 22
9.99 mi · 00h 12m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny leaving Gary and Patchy Fog near Altamont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gary to Altamont?
The road trip is about 21.2 miles (34.1 km) and usually takes 00h 29m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Clear Lake is a useful midpoint, sitting about 10.6 miles from Gary and 10.6 miles from Altamont.
How much longer is the road route than the straight-line distance?
The direct path is about 11.9 miles (19.2 km), while the road route adds roughly 9.3 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 7:00 AM to 7:00 PM CST. If you want a more comfortable same-day return, try to leave by 7:32 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.04 one way or $6.08 round trip. Estimated CO2 is about 6.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Gary and Patchy Fog near Altamont.
Flight Path Map
This map shows the direct air route between Gary and Altamont. Straight-line distance: 11.91 mi (19.16 km).
#1 Gary
City in South Dakota, United States
| Population | 229 |
| Coordinates | 44.7924600, -96.4558900 |
| Altitude | 447 |
| Country | United States |
#2 Altamont
Town in South Dakota, United States of America
| Population | 84 |
| Coordinates | 44.8396900, -96.6895000 |
| Altitude | 564 |
| Country | United States |
End: Altamont (-96.6895, 44.83969)
Estimated Travel Time
Distance: 34 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 42m |
| 40 mph (64.37 km/h) | 00h 31m |
| 50 mph (80.47 km/h) | 00h 25m |
| 60 mph (96.56 km/h) | 00h 21m |
| 70 mph (112.65 km/h) | 00h 18m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.05 | $3.04 | $6.08 |
| Mid-grade | $4.28 | $3.21 | $6.42 |
| Premium | $4.84 | $3.63 | $7.26 |
| Diesel | $5.99 | $4.49 | $8.98 |
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 · Nov 06, 2026