How far is Waterloo, IA from Mount Vernon, IA?
The driving distance from Waterloo, IA to Mount Vernon, IA is about 71.8 miles (115.6 km), with a travel time of about 01h 24m by car.
- The straight-line flight distance is about 61.6 miles (99.2 km).
- For a round trip, plan for roughly 02h 49m 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 01h 24m.
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 Iowa
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 Mount Vernon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Waterloo and Mount Vernon.
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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
2.7 mi · 4 min · Washington Street
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3
Keep slight right to continue on I-380 south, US 20, IA 27: Cedar Rapids, Dubuque, Cedar Falls
6.5 mi · 8 min
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4
Keep slight right to continue on Avenue of the Saints
48.5 mi · 54 min · Avenue of the Saints
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5
Take the exit slight right
722 ft · 18 sec
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6
Keep slight left to continue on US 30 East, US 151 North: Mount Vernon
1 km · 1 min
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7
Keep slight left to continue on US 30 East, US 151 North: Mount Vernon
1306 ft · 32 sec
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8
Merge slight left
11.8 mi · 14 min
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9
Take the exit slight right toward IA 1: Mount Vernon, Iowa City
1559 ft · 46 sec
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10
Turn left onto State Highway 1
2479 ft · 41 sec · State Highway 1
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11
Enter the roundabout and take exit 2 toward State Highway 1
40 m · 6 sec · State Highway 1
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12
Exit the roundabout onto State Highway 1
666 ft · 19 sec · State Highway 1
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13
Continue on 1st Avenue South
2046 ft · 39 sec · 1st Avenue South
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14
Turn right onto 1st Street East
70 m · 9 sec · 1st Street East
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15
Turn right
20 m · 6 sec
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16
Turn right
23 m · 6 sec
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17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Waterloo and Mount Vernon.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Avenue of the Saints
Keep slight right to continue on Avenue of the Saints
48.5 mi · 00h 54m
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 Mount Vernon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Waterloo to Mount Vernon?
The road trip is about 71.8 miles (115.6 km) and usually takes 01h 24m 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?
Center Point is a useful midpoint, sitting about 35.9 miles from Waterloo and 36 miles from Mount Vernon.
How much longer is the road route than the straight-line distance?
The direct path is about 61.6 miles (99.2 km), while the road route adds roughly 10.2 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 3:40 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.58 one way or $19.16 round trip. Estimated CO2 is about 22.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Waterloo and Sunny near Mount Vernon.
Flight Path Map
This map shows the direct air route between Waterloo and Mount Vernon. Straight-line distance: 61.66 mi (99.23 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 Mount Vernon
City in Linn County, Iowa
| Population | 4,528 |
| Coordinates | 41.9219500, -91.4168400 |
| Altitude | 268 |
| Country | United States |
End: Mount Vernon (-91.41684, 41.92195)
Estimated Travel Time
Distance: 116 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 23m |
| 40 mph (64.37 km/h) | 01h 47m |
| 50 mph (80.47 km/h) | 01h 26m |
| 60 mph (96.56 km/h) | 01h 11m |
| 70 mph (112.65 km/h) | 01h 01m |
| 80 mph (129 km/h) | 00h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $9.58 | $19.16 |
| Mid-grade | $4.25 | $10.80 | $21.61 |
| Premium | $4.65 | $11.82 | $23.64 |
| Diesel | $5.30 | $13.47 | $26.94 |
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.