How far is Mason City, IA from Oskaloosa, IA?
The driving distance from Mason City, IA to Oskaloosa, IA is about 176.5 miles (284 km), with a travel time of about 03h 25m by car.
- The straight-line flight distance is about 131.4 miles (211.5 km).
- For a round trip, plan for roughly 06h 50m 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 03h 25m.
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.
The most populous city in Story County, Iowa.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Mason City and Oskaloosa.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mason City and Oskaloosa.
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1
Start on 2nd Street Northeast
7 m · 6 sec · 2nd Street Northeast
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2
Turn left onto North Federal Avenue
100 m · 17 sec · North Federal Avenue
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3
Turn right onto 1st Street Northwest
2017 ft · 48 sec · 1st Street Northwest
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4
Turn left onto North Monroe Avenue
1.3 mi · 3 min · North Monroe Avenue
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5
Turn right onto 19th Street Southwest
2.5 mi · 4 min · 19th Street Southwest
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6
Turn left onto South Eisenhower Avenue
2624 ft · 41 sec · South Eisenhower Avenue
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7
Continue on Mallard Avenue
1.4 mi · 2 min · Mallard Avenue
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8
Take the ramp right
2217 ft · 54 sec
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9
Merge slight left onto Avenue of the Saints
3.5 mi · 4 min · Avenue of the Saints
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10
Take the exit slight left toward I 35 South: Des Moines
1.4 km · 1 min
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11
Continue on I 35 South: Des Moines
2643 ft · 32 sec
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12
Merge slight left
102.7 mi · 1 hr 51 min
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13
Keep slight right to continue on I 35 South, I 80: Kansas City, Council Bluffs, Davenport
955 ft · 13 sec
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14
Take the exit slight left toward I 80 East: Davenport
1.3 km · 2 min
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15
Merge slight right
2.6 mi · 3 min
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16
Take the exit slight right toward US 65 South: Altoona, Des Moines
1 km · 1 min
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17
Merge slight left onto Military Order of the Purple Heart Highway
3.8 mi · 4 min · Military Order of the Purple Heart Highway
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18
Take the exit slight right toward IA 163: East University Avenue, Pleasant Hill
2194 ft · 55 sec
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19
Turn left onto East University Avenue
3.3 mi · 4 min · East University Avenue
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20
Continue on Northeast University Avenue
1.8 mi · 2 min · Northeast University Avenue
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21
Continue on East University Avenue
45.8 mi · 53 min · East University Avenue
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22
Turn left onto Jewell Avenue
76 m · 7 sec · Jewell Avenue
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23
Continue on Old Highway 163
1.3 mi · 2 min · Old Highway 163
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24
Enter the roundabout and take exit 1 toward Highway 432
9 m · 2 sec · Highway 432
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25
Exit the roundabout onto Highway 432
2760 ft · 58 sec · Highway 432
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26
At the end of the road, turn left onto A Avenue West
1.1 mi · 3 min · A Avenue West
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27
Turn left
17 m · 4 sec
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28
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Mason City and Oskaloosa.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 35 South
Merge slight left
103 mi · 01h 51m
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.
Sunny leaving Mason City and Sunny near Oskaloosa.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mason City to Oskaloosa?
The road trip is about 176.5 miles (284 km) and usually takes 03h 25m 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?
Ames is a useful midpoint, sitting about 88.2 miles from Mason City and 88.2 miles from Oskaloosa.
How much longer is the road route than the straight-line distance?
The direct path is about 131.4 miles (211.5 km), while the road route adds roughly 45.1 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:10 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.49 one way or $46.99 round trip. Estimated CO2 is about 55.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Mason City and Sunny near Oskaloosa.
Stop Ideas Near Ames
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Ames.
Osceola
Flight Path Map
This map shows the direct air route between Mason City and Oskaloosa. Straight-line distance: 131.44 mi (211.53 km).
#1 Mason City
City in Cerro Gordo County, Iowa
| Population | 26,931 |
| Coordinates | 43.1535700, -93.2010400 |
| Altitude | 344 |
| Country | United States |
#2 Oskaloosa
City in and the county seat of Mahaska County, Iowa, United States
| Population | 11,803 |
| Coordinates | 41.2963900, -92.6443600 |
| Altitude | 256 |
| Country | United States |
End: Oskaloosa (-92.64436, 41.29639)
Estimated Travel Time
Distance: 284 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 52m |
| 40 mph (64.37 km/h) | 04h 24m |
| 50 mph (80.47 km/h) | 03h 31m |
| 60 mph (96.56 km/h) | 02h 56m |
| 70 mph (112.65 km/h) | 02h 31m |
| 80 mph (129 km/h) | 02h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $23.49 | $46.99 |
| Mid-grade | $4.25 | $26.50 | $52.99 |
| Premium | $4.65 | $28.99 | $57.99 |
| Diesel | $5.30 | $33.04 | $66.09 |
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 · Jun 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.