How far is Waterloo, IA from Knoxville, IA?
The driving distance from Waterloo, IA to Knoxville, IA is about 115.1 miles (185.2 km), with a travel time of about 02h 45m by car.
- The straight-line flight distance is about 90 miles (144.9 km).
- For a round trip, plan for roughly 05h 31m 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 45m.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Waterloo and Knoxville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Waterloo and Knoxville.
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1
Start on West 4th Street
23 m · 6 sec · West 4th Street
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2
Turn right onto Washington Street
117 m · 10 sec · Washington Street
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3
Turn right onto West 5th Street
1622 ft · 34 sec · West 5th Street
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4
Continue on West 4th Street
2.4 mi · 4 min · West 4th Street
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5
Turn slight right onto West Ridgeway Avenue
3073 ft · 1 min · West Ridgeway Avenue
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6
Turn left onto Sergeant Road
6.5 mi · 9 min · Sergeant Road
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7
Continue on South Hudson Road
6.4 mi · 9 min · South Hudson Road
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8
Continue on Q Avenue
2.5 mi · 3 min · Q Avenue
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9
Continue on County Road D65
4.4 mi · 6 min · County Road D65
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10
Continue on North Main Street
7.6 mi · 12 min · North Main Street
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11
Turn left onto J Avenue
11.8 mi · 17 min · J Avenue
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12
Continue on North County Road
1.8 mi · 3 min · North County Road
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13
Continue on Harding Street
2225 ft · 43 sec · Harding Street
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14
Turn left onto West 13th Street
1334 ft · 25 sec · West 13th Street
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15
Turn right onto State Street
1.5 mi · 2 min · State Street
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16
Continue on J Avenue
6.3 mi · 9 min · J Avenue
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17
Continue on 100th Street
8 mi · 12 min · 100th Street
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18
Turn right onto 380th Avenue
5.5 mi · 7 min · 380th Avenue
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19
Continue on 6th Avenue
2927 ft · 58 sec · 6th Avenue
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20
Turn left onto Penrose Street
1056 ft · 38 sec · Penrose Street
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21
Turn right onto 4th Avenue
1 mi · 2 min · 4th Avenue
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22
Turn left onto West Street
3.2 mi · 5 min · West Street
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23
Take the ramp right
1969 ft · 48 sec
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24
Merge slight left
17.7 mi · 19 min
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25
Take the exit slight right toward US 6, IA 14: Newton, Monroe
1632 ft · 44 sec
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26
Turn left onto State Highway 14
11 mi · 16 min · State Highway 14
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27
Continue on Monroe Street
1.6 km · 2 min · Monroe Street
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28
Continue on State Highway 14
12.5 mi · 19 min · State Highway 14
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29
Continue on North Lincoln Street
1.1 mi · 2 min · North Lincoln Street
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30
Arrive at your destination
0 m · 1 sec · North Lincoln Street
Car Route Details
A richer read on the saved driving route between Waterloo and Knoxville.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
West Street
Merge slight left
17.7 mi · 00h 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.
Sunny leaving Waterloo and Sunny near Knoxville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Waterloo to Knoxville?
The road trip is about 115.1 miles (185.2 km) and usually takes 02h 45m 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?
Malcom is a useful midpoint, sitting about 57.5 miles from Waterloo and 57.5 miles from Knoxville.
How much longer is the road route than the straight-line distance?
The direct path is about 90 miles (144.9 km), while the road route adds roughly 25.1 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 12:58 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.31 one way or $30.62 round trip. Estimated CO2 is about 36.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Waterloo and Sunny near Knoxville.
Stop Ideas Near Malcom
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 Malcom.
Ottumwa station
Mount Pleasant
Flight Path Map
This map shows the direct air route between Waterloo and Knoxville. Straight-line distance: 90.06 mi (144.93 km).
#1 Waterloo
The most populous city in Black Hawk County, Iowa.
| Population | 67,292 |
| Coordinates | 42.4927600, -92.3429600 |
| Altitude | 261 |
| 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: 185 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 50m |
| 40 mph (64.37 km/h) | 02h 52m |
| 50 mph (80.47 km/h) | 02h 18m |
| 60 mph (96.56 km/h) | 01h 55m |
| 70 mph (112.65 km/h) | 01h 38m |
| 80 mph (129 km/h) | 01h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $15.31 | $30.62 |
| Mid-grade | $4.25 | $17.27 | $34.53 |
| Premium | $4.65 | $18.90 | $37.79 |
| Diesel | $5.30 | $21.53 | $43.07 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.