How far is Marion, IA from Knoxville, IA?
The driving distance from Marion, IA to Knoxville, IA is about 127.1 miles (204.6 km), with a travel time of about 02h 33m by car.
- The straight-line flight distance is about 92.3 miles (148.5 km).
- For a round trip, plan for roughly 05h 07m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 33m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Poweshiek County, Iowa, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Marion and Knoxville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marion and Knoxville.
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1
Start on 8th Avenue
136 m · 23 sec · 8th Avenue
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2
Turn left onto 10th Street
98 m · 13 sec · 10th Street
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3
Turn right onto 7th Avenue
880 ft · 22 sec · 7th Avenue
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4
Enter the roundabout and take exit 2 toward the route
31 m · 4 sec
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5
Exit the roundabout
40 m · 6 sec
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6
Continue on 7th Avenue
1828 ft · 48 sec · 7th Avenue
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7
Continue on Marion Boulevard
1 km · 1 min · Marion Boulevard
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8
Continue on 1st Avenue East
621 ft · 19 sec · 1st Avenue East
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9
Turn right onto Collins Road Northeast
1.5 km · 1 min · Collins Road Northeast
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10
Turn left onto C Avenue Northeast
43 m · 3 sec · C Avenue Northeast
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11
Turn slight right onto Old Marion Road Northeast
1.5 km · 2 min · Old Marion Road Northeast
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12
Continue on Oakland Road Northeast
1.6 km · 2 min · Oakland Road Northeast
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13
Turn right onto 29th Street Northeast
1411 ft · 30 sec · 29th Street Northeast
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14
Continue on Coldstream Avenue Northeast
628 ft · 22 sec · Coldstream Avenue Northeast
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15
Turn left
1278 ft · 31 sec
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16
Merge slight left onto Avenue of the Saints
21.5 mi · 25 min · Avenue of the Saints
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17
Take the exit slight right toward I 80
1362 ft · 33 sec
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18
Keep slight right to continue on I 80 West: Des Moines
1.1 km · 1 min
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19
Merge slight left
73.8 mi · 1 hr 19 min
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20
Take the exit slight right toward US 6, IA 14: Newton, Monroe
1632 ft · 44 sec
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21
Turn left onto State Highway 14
11 mi · 16 min · State Highway 14
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22
Continue on Monroe Street
1.6 km · 2 min · Monroe Street
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23
Continue on State Highway 14
12.5 mi · 19 min · State Highway 14
-
24
Continue on North Lincoln Street
1.1 mi · 2 min · North Lincoln Street
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25
Arrive at your destination
0 m · 1 sec · North Lincoln Street
Car Route Details
A richer read on the saved driving route between Marion and Knoxville.
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 80 West
Merge slight left
73.8 mi · 01h 19m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Rain Showers leaving Marion and Showers And Thunderstorms near Knoxville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marion to Knoxville?
The road trip is about 127.1 miles (204.6 km) and usually takes 02h 33m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Guernsey is a useful midpoint, sitting about 63.5 miles from Marion and 63.6 miles from Knoxville.
How much longer is the road route than the straight-line distance?
The direct path is about 92.3 miles (148.5 km), while the road route adds roughly 34.8 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:22 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.88 one way or $37.76 round trip. Estimated CO2 is about 39.9 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Marion and Showers And Thunderstorms near Knoxville.
Stop Ideas Near Guernsey
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 Guernsey.
Ottumwa station
Mount Pleasant
Flight Path Map
This map shows the direct air route between Marion and Knoxville. Straight-line distance: 92.27 mi (148.5 km).
#1 Marion
The county seat of Linn County, Iowa.
| Population | 40,780 |
| Coordinates | 42.0341700, -91.5976800 |
| Altitude | 259 |
| Country | United States |
#2 Knoxville
City in and seat of Marion County, Iowa, United States
| Population | 7,082 |
| Coordinates | 41.3208300, -93.1093700 |
| Altitude | 277 |
| Country | United States |
End: Knoxville (-93.10937, 41.32083)
Estimated Travel Time
Distance: 205 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 14m |
| 40 mph (64.37 km/h) | 03h 10m |
| 50 mph (80.47 km/h) | 02h 32m |
| 60 mph (96.56 km/h) | 02h 07m |
| 70 mph (112.65 km/h) | 01h 48m |
| 80 mph (129 km/h) | 01h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.21 | $18.88 | $37.76 |
| Mid-grade | $4.47 | $20.09 | $40.18 |
| Premium | $5.10 | $22.90 | $45.81 |
| Diesel | $6.07 | $27.26 | $54.52 |
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