How far is Storm Lake, IA from Knoxville, IA?

The driving distance from Storm Lake, IA to Knoxville, IA is about 193.3 miles (311.1 km), with a travel time of about 03h 50m by car.

  • The straight-line flight distance is about 141.2 miles (227.3 km).
  • For a round trip, plan for roughly 07h 41m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
193.34 mi
03h 50m
Flight
141.27 mi
227.35 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Storm Lake.

Flight Distance

Direct air line
141.27 mi
Kilometers
227.35 km
Flight Time
00h 17m

Driving Distance

Road route
193.34 mi
Kilometers
311.15 km
Drive Time
03h 50m

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 50m.

Arrival Snapshot
Arrive in Knoxville
Thu, Oct 15, 11:36 PM CDT
Return by in Storm Lake
Fri, Oct 16, 3:27 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Storm Lake
2026-10-15T19:46
Arrive Knoxville
Thu, Oct 15, 11:36 PM CDT
Route Timing
03h 50m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:51 AM to 11:51 AM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:18 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Storm Lake
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Williams
IA

City in Hamilton County, Iowa, United States

From Storm Lake
96.6 mi
01h 55m
To Knoxville
96.8 mi
01h 55m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
55°F
Today

Rain Showers

Starts
Thu, Oct 15 11:00 AM CDT
Wind
10 to 15 mph NNW
Destination
64°F
This Afternoon

Showers And Thunderstorms

Starts
Thu, Oct 15 2:00 PM CDT
Wind
8 to 17 mph NW

Driving Route Map

The map below follows the saved road route between Storm Lake and Knoxville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Storm Lake and Knoxville.

  1. 1

    Start on Grand Avenue

    942 ft · 40 sec · Grand Avenue

  2. 2

    Continue on West Lakeshore Drive

    3.1 mi · 7 min · West Lakeshore Drive

  3. 3

    Continue on 130th Avenue

    10.9 mi · 15 min · 130th Avenue

  4. 4

    Continue on US 71

    1014 ft · 20 sec · US 71

  5. 5

    Take the exit left toward US 20 East: Fort Dodge

    1841 ft · 51 sec

  6. 6

    Merge slight left

    80.8 mi · 1 hr 33 min

  7. 7

    Take the exit slight right toward I 35 South: Des Moines

    1.1 km · 1 min

  8. 8

    Merge slight left

    54.5 mi · 59 min

  9. 9

    Keep slight right to continue on I 35 South, I 80: Kansas City, Council Bluffs, Davenport

    955 ft · 13 sec

  10. 10

    Take the exit slight left toward I 80 East: Davenport

    1.3 km · 2 min

  11. 11

    Merge slight right

    2.6 mi · 3 min

  12. 12

    Take the exit slight right toward US 65 South: Altoona, Des Moines

    1 km · 1 min

  13. 13

    Merge slight left onto Military Order of the Purple Heart Highway

    10.7 mi · 12 min · Military Order of the Purple Heart Highway

  14. 14

    Take the exit slight right toward IA 5 South: Carlisle

    3203 ft · 1 min

  15. 15

    Continue straight

    18.5 mi · 21 min

  16. 16

    Turn left

    6.6 mi · 8 min

  17. 17

    Take the exit slight right

    1 km · 1 min

  18. 18

    Continue on McKimber Drive

    2817 ft · 56 sec · McKimber Drive

  19. 19

    Continue on McKimber Street

    1255 ft · 25 sec · McKimber Street

  20. 20

    Continue on West Pleasant Street

    2673 ft · 59 sec · West Pleasant Street

  21. 21

    Turn left onto North Lincoln Street

    11 m · 1 sec · North Lincoln Street

  22. 22

    Arrive at your destination

    0 m · 1 sec · North Lincoln Street

Car Route Details

A richer read on the saved driving route between Storm Lake and Knoxville.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
22 steps
2 turns on the saved route
Ramps & Exits
10
4 merges, 6 ramps or exits
Navigation Density
11.4 / 100 mi
Decision points by distance
Main Roads
US 20 East
81.2 mi · 42%
I 35 South
55.3 mi · 29%
IA 5 South
19.8 mi · 10%
130th Avenue
10.9 mi · 6%
Military Order of the Purple Heart Highway
10.7 mi · 6%
I 80 East
3.4 mi · 2%
Longest Stretch

US 20 East

Merge slight left

80.8 mi · 01h 33m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
03h 50m
Long day trip
Same-Day Return
07h 42m
Round-trip wheel time
Road vs Air
+52.1 mi
141.2 mi direct line
Halfway Stop
Williams
01h 55m from Storm Lake
Leave By
9:18 AM CDT
Early departure recommended
Weather Watch

Rain Showers leaving Storm Lake 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 Storm Lake to Knoxville?

The road trip is about 193.3 miles (311.1 km) and usually takes 03h 50m 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?

Williams is a useful midpoint, sitting about 96.6 miles from Storm Lake and 96.8 miles from Knoxville.

How much longer is the road route than the straight-line distance?

The direct path is about 141.2 miles (227.3 km), while the road route adds roughly 52.1 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 9:18 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $28.68 one way or $57.36 round trip. Estimated CO2 is about 60.6 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers around Storm Lake and Showers And Thunderstorms near Knoxville.

Flight Path Map

This map shows the direct air route between Storm Lake and Knoxville. Straight-line distance: 141.27 mi (227.35 km).

Storm Lake

#1 Storm Lake

City in Iowa

Population10,438
Coordinates42.6410900, -95.2097200
Altitude433
CountryUnited States
Knoxville

#2 Knoxville

City in and seat of Marion County, Iowa, United States

Population7,082
Coordinates41.3208300, -93.1093700
Altitude277
CountryUnited States
Start: Storm Lake (-95.20972, 42.64109)
End: Knoxville (-93.10937, 41.32083)

Estimated Travel Time

Distance: 311 km by road

SpeedTime
30 mph (48.3 km/h)06h 26m
40 mph (64.37 km/h)04h 50m
50 mph (80.47 km/h)03h 51m
60 mph (96.56 km/h)03h 13m
70 mph (112.65 km/h)02h 45m
80 mph (129 km/h)02h 24m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.82 gal
25.83 L · about $28.68
Round trip
$57.36
13.64 gal · 51.66 L
Estimated CO2
60.6 kg one way
Round trip: 121.2 kg / 267 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.21 $28.68 $57.36
Mid-grade $4.47 $30.51 $61.03
Premium $5.10 $34.79 $69.58
Diesel $6.07 $41.40 $82.81

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

There is no time difference between Storm Lake and Knoxville. The current time is 19:46:19.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.