How far is Sergeant Bluff, IA from Mason City, IA?
The driving distance from Sergeant Bluff, IA to Mason City, IA is about 209 miles (336.3 km), with a travel time of about 03h 14m by car.
- The straight-line flight distance is about 168.3 miles (270.8 km).
- For a round trip, plan for roughly 06h 29m 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 14m.
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 Iowa, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Sergeant Bluff and Mason City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sergeant Bluff and Mason City.
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1
Start on 4th Street
118 m · 24 sec · 4th Street
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2
Turn sharp left onto South Lewis Boulevard
2.3 mi · 4 min · South Lewis Boulevard
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3
Turn right onto Singing Hills Boulevard
1.2 mi · 3 min · Singing Hills Boulevard
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4
Turn left onto South Lakeport Street
1789 ft · 55 sec · South Lakeport Street
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5
Take the ramp right toward US 20 East, US 75 North
2084 ft · 27 sec
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6
Merge slight right
2 mi · 2 min
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7
Take the exit slight right toward Fort Dodge
2241 ft · 55 sec
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8
Keep slight right to continue on Fort Dodge
141.9 mi · 2 hr 46 min
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9
Take the exit slight right toward I 35 North: Mason City
1647 ft · 56 sec
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10
Merge slight left
47.4 mi · 51 min
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11
Take the exit slight right toward US 18 East, IA 27 South: Mason City, Charles City
1 mi · 2 min
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12
Merge slight left
3.6 mi · 4 min
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13
Take the exit slight right toward Airport
1901 ft · 53 sec
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14
Turn left onto Mallard Avenue
1.5 mi · 2 min · Mallard Avenue
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15
Continue on South Eisenhower Avenue
2624 ft · 45 sec · South Eisenhower Avenue
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16
Turn right onto 19th Street Southwest
2.5 mi · 4 min · 19th Street Southwest
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17
Turn left onto South Monroe Avenue
1.3 mi · 2 min · South Monroe Avenue
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18
Turn right onto 1st Street Northwest
2017 ft · 48 sec · 1st Street Northwest
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19
Turn left onto North Federal Avenue
100 m · 16 sec · North Federal Avenue
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20
Turn right onto 2nd Street Northeast
7 m · 1 sec · 2nd Street Northeast
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21
Arrive at your destination
0 m · 1 sec · 2nd Street Northeast
Car Route Details
A richer read on the saved driving route between Sergeant Bluff and Mason City.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Fort Dodge
Keep slight right to continue on Fort Dodge
142 mi · 02h 46m
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.
Showers And Thunderstorms Likely leaving Sergeant Bluff and Chance Rain Showers near Mason City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sergeant Bluff to Mason City?
The road trip is about 209 miles (336.3 km) and usually takes 03h 14m 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?
Knierim is a useful midpoint, sitting about 103.6 miles from Sergeant Bluff and 105.3 miles from Mason City.
How much longer is the road route than the straight-line distance?
The direct path is about 168.3 miles (270.8 km), while the road route adds roughly 40.7 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 10:30 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.83 one way or $55.66 round trip. Estimated CO2 is about 65.6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Sergeant Bluff and Chance Rain Showers near Mason City.
Flight Path Map
This map shows the direct air route between Sergeant Bluff and Mason City. Straight-line distance: 168.29 mi (270.83 km).
#1 Sergeant Bluff
City in Woodbury County, Iowa, United States of America
| Population | 5,119 |
| Coordinates | 42.4038800, -96.3586400 |
| Altitude | 334 |
| Country | United States |
#2 Mason City
City in Cerro Gordo County, Iowa
| Population | 26,931 |
| Coordinates | 43.1535700, -93.2010400 |
| Altitude | 344 |
| Country | United States |
End: 2nd Street Northeast (-93.201041, 43.153613)
Estimated Travel Time
Distance: 336 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 57m |
| 40 mph (64.37 km/h) | 05h 13m |
| 50 mph (80.47 km/h) | 04h 10m |
| 60 mph (96.56 km/h) | 03h 28m |
| 70 mph (112.65 km/h) | 02h 59m |
| 80 mph (129 km/h) | 02h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $27.83 | $55.66 |
| Mid-grade | $4.25 | $31.39 | $62.77 |
| Premium | $4.65 | $34.35 | $68.69 |
| Diesel | $5.30 | $39.14 | $78.29 |
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 · Apr 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.