How far is Ames, IA from Osceola County, IA?
The driving distance from Ames, IA to Osceola County, IA is about 200.3 miles (322.4 km), with a travel time of about 04h 13m by car.
- The straight-line flight distance is about 137.8 miles (221.7 km).
- For a round trip, plan for roughly 08h 27m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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 04h 13m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Sac County, Iowa, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Ames and Osceola County.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ames and Osceola County.
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1
Start on 13th Street
2.7 mi · 5 min · 13th Street
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2
Turn left onto I 35 North: Minneapolis
29 mi · 31 min
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3
Take the exit slight right toward US 20 West: Fort Dodge
1664 ft · 57 sec
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4
Merge slight left
92.8 mi · 1 hr 47 min
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5
Turn right onto Armstrong Avenue
6 mi · 8 min · Armstrong Avenue
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6
Continue on 20th Avenue
9.2 mi · 13 min · 20th Avenue
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7
Turn left onto Highway 7
1.1 mi · 2 min · Highway 7
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8
Continue on State Highway 7
2.1 mi · 3 min · State Highway 7
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9
Continue on 1st Street
1.4 mi · 2 min · 1st Street
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10
Continue on V Avenue
1.9 mi · 3 min · V Avenue
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11
Turn left onto State Highway 3
1153 ft · 23 sec · State Highway 3
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12
Turn straight onto 530th Street
3.1 mi · 4 min · 530th Street
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13
Turn right onto State Highway 3
2.7 mi · 4 min · State Highway 3
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14
Turn right
13.6 mi · 19 min
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15
Turn left onto 470th Street
4.1 mi · 6 min · 470th Street
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16
Continue on Silver Avenue
7.2 mi · 10 min · Silver Avenue
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17
Continue on South Rerick Avenue
1.6 mi · 3 min · South Rerick Avenue
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18
Continue on Silver Avenue
6 mi · 8 min · Silver Avenue
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19
Turn left onto 320th Street
1.6 km · 1 min · 320th Street
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20
Turn right onto Roosevelt Avenue
13 mi · 18 min · Roosevelt Avenue
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21
Turn right onto 190th Street
1.6 km · 4 min · 190th Street
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22
Turn left onto Silver Avenue
1455 ft · 1 min · Silver Avenue
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23
Arrive at your destination
0 m · 1 sec · Silver Avenue
Car Route Details
A richer read on the saved driving route between Ames and Osceola County.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 20 West
Merge slight left
92.8 mi · 01h 47m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Rain Showers leaving Ames and Showers And Thunderstorms Likely near Osceola County.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Ames to Osceola County?
The road trip is about 200.3 miles (322.4 km) and usually takes 04h 13m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Lytton is a useful midpoint, sitting about 100 miles from Ames and 100.3 miles from Osceola County.
How much longer is the road route than the straight-line distance?
The direct path is about 137.8 miles (221.7 km), while the road route adds roughly 62.5 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 8:32 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.73 one way or $59.46 round trip. Estimated CO2 is about 62.8 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Ames and Showers And Thunderstorms Likely near Osceola County.
Flight Path Map
This map shows the direct air route between Ames and Osceola County. Straight-line distance: 137.73 mi (221.65 km).
#1 Ames
The most populous city in Story County, Iowa.
| Population | 67,033 |
| Coordinates | 42.0347100, -93.6199400 |
| Altitude | 287 |
| Country | United States |
#2 Osceola County
County in Iowa, United States
| Population | 5,987 |
| Coordinates | 43.3785700, -95.6236900 |
| Altitude | 477 |
| Country | United States |
End: Osceola County (-95.62369, 43.37857)
Estimated Travel Time
Distance: 322 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 40m |
| 40 mph (64.37 km/h) | 05h 00m |
| 50 mph (80.47 km/h) | 04h 00m |
| 60 mph (96.56 km/h) | 03h 20m |
| 70 mph (112.65 km/h) | 02h 51m |
| 80 mph (129 km/h) | 02h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.21 | $29.73 | $59.46 |
| Mid-grade | $4.47 | $31.63 | $63.26 |
| Premium | $5.10 | $36.06 | $72.13 |
| Diesel | $6.07 | $42.92 | $85.84 |
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 Iowa · Oct 15, 2026