How far is Sergeant Bluff, IA from Marion, IA?
The driving distance from Sergeant Bluff, IA to Marion, IA is about 266.5 miles (428.9 km), with a travel time of about 04h 12m by car.
- The straight-line flight distance is about 244.9 miles (394.2 km).
- For a round trip, plan for roughly 08h 25m 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 12m.
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
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 Marion.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sergeant Bluff and Marion.
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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
214 mi · 4 hr 9 min
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9
Keep slight right to continue on Avenue of the Saints
40.7 mi · 44 min · Avenue of the Saints
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10
Take the exit slight right toward IA 100
1286 ft · 31 sec
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11
Keep slight left
802 ft · 20 sec
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12
Keep slight right to continue on IA 100
1460 ft · 28 sec
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13
Keep slight left to continue on I-380 south, IA 27 south: Iowa City
564 ft · 17 sec
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14
Turn left onto I-380 north, IA 27 north, IA 100 east: Waterloo, Marion
3094 ft · 1 min
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15
Merge slight left onto Collins Road Northeast
1663 ft · 30 sec · Collins Road Northeast
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16
Keep slight right to continue on Collins Road Northeast
1.8 mi · 2 min · Collins Road Northeast
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17
Turn left onto 1st Avenue East
717 ft · 22 sec · 1st Avenue East
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18
Continue on Marion Boulevard
1 km · 1 min · Marion Boulevard
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19
Continue on 7th Avenue
1664 ft · 46 sec · 7th Avenue
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20
Turn left onto 6th Street
96 m · 18 sec · 6th Street
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21
Turn right onto 8th Avenue
1702 ft · 1 min · 8th Avenue
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22
Arrive at your destination
0 m · 1 sec · 8th Avenue
Car Route Details
A richer read on the saved driving route between Sergeant Bluff and Marion.
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
214 mi · 04h 09m
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 Marion.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sergeant Bluff to Marion?
The road trip is about 266.5 miles (428.9 km) and usually takes 04h 12m 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?
Webster City is a useful midpoint, sitting about 132.8 miles from Sergeant Bluff and 133.6 miles from Marion.
How much longer is the road route than the straight-line distance?
The direct path is about 244.9 miles (394.2 km), while the road route adds roughly 21.6 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 8:34 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.45 one way or $70.89 round trip. Estimated CO2 is about 83.5 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 Marion.
Flight Path Map
This map shows the direct air route between Sergeant Bluff and Marion. Straight-line distance: 244.92 mi (394.16 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 Marion
The county seat of Linn County, Iowa.
| Population | 40,780 |
| Coordinates | 42.0341700, -91.5976800 |
| Altitude | 259 |
| Country | United States |
End: 8th Avenue (-91.59768, 42.03419)
Estimated Travel Time
Distance: 429 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 52m |
| 40 mph (64.37 km/h) | 06h 39m |
| 50 mph (80.47 km/h) | 05h 19m |
| 60 mph (96.56 km/h) | 04h 26m |
| 70 mph (112.65 km/h) | 03h 48m |
| 80 mph (129 km/h) | 03h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $35.45 | $70.89 |
| Mid-grade | $4.25 | $39.98 | $79.96 |
| Premium | $4.65 | $43.75 | $87.50 |
| Diesel | $5.30 | $49.86 | $99.72 |
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.