How far is Iowa City, IA from Sumner, IA?
The driving distance from Iowa City, IA to Sumner, IA is about 100.7 miles (162 km), with a travel time of about 02h 14m by car.
- The straight-line flight distance is about 86.9 miles (139.8 km).
- For a round trip, plan for roughly 04h 29m 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 14m.
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 Benton County, Iowa, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Chance Showers And Thunderstorms then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Iowa City and Sumner.
Turn-by-Turn Driving Directions
Step-by-step road directions between Iowa City and Sumner.
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1
Start on South Gilbert Street
1.3 km · 3 min · South Gilbert Street
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2
Turn slight left onto Kimball Road
145 m · 22 sec · Kimball Road
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3
Turn right onto North Dubuque Street
1.2 mi · 3 min · North Dubuque Street
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4
Turn left
2315 ft · 59 sec
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5
Merge slight left
4.1 mi · 5 min
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6
Take the exit slight right toward I 380, US 218, IA 27
1850 ft · 45 sec
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7
Keep slight right to continue on I 380, US 218 North, IA 27 North: Cedar Rapids, Waterloo
3219 ft · 1 min
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8
Merge slight left onto Avenue of the Saints
54.6 mi · 1 hr 1 min · Avenue of the Saints
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9
Take the exit slight right toward CR V65: Jesup, La Porte City
2146 ft · 54 sec
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10
Turn right onto South Black Hawk Buchanan Avenue
1.5 km · 1 min · South Black Hawk Buchanan Avenue
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11
Continue on Benson Shady Grove Avenue
7.1 mi · 10 min · Benson Shady Grove Avenue
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12
At the end of the road, turn left onto South Street
1395 ft · 30 sec · South Street
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13
Turn right onto Main Street
1.6 km · 2 min · Main Street
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14
Continue on Baxter Avenue
9 mi · 12 min · Baxter Avenue
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15
Enter the roundabout and take exit 2 toward Baxter Avenue
39 m · 3 sec · Baxter Avenue
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16
Exit the roundabout onto Baxter Avenue
1.5 mi · 2 min · Baxter Avenue
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17
Continue on Walnut Street South
1687 ft · 54 sec · Walnut Street South
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18
Turn right onto Main Street West
2641 ft · 50 sec · Main Street West
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19
Turn left onto 4th St North
1040 ft · 21 sec · 4th St North
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20
Continue on North 4th Street
702 ft · 14 sec · North 4th Street
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21
Continue on W Avenue
14.6 mi · 26 min · W Avenue
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22
Turn left onto 150th Street
2 mi · 3 min · 150th Street
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23
Continue on East 1st Street
2672 ft · 45 sec · East 1st Street
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24
Arrive at your destination
0 m · 1 sec · East 1st Street
Car Route Details
A richer read on the saved driving route between Iowa City and Sumner.
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
Merge slight left onto Avenue of the Saints
54.6 mi · 01h 01m
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 Iowa City and Chance Showers And Thunderstorms then Mostly Sunny near Sumner.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Iowa City to Sumner?
The road trip is about 100.7 miles (162 km) and usually takes 02h 14m 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?
Urbana is a useful midpoint, sitting about 50.3 miles from Iowa City and 50.3 miles from Sumner.
How much longer is the road route than the straight-line distance?
The direct path is about 86.9 miles (139.8 km), while the road route adds roughly 13.8 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 2:00 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.39 one way or $26.77 round trip. Estimated CO2 is about 31.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Iowa City and Chance Showers And Thunderstorms then Mostly Sunny near Sumner.
Flight Path Map
This map shows the direct air route between Iowa City and Sumner. Straight-line distance: 86.85 mi (139.77 km).
#1 Iowa City
The most populous city in Johnson County, Iowa.
| Population | 75,130 |
| Coordinates | 41.6611300, -91.5301700 |
| Altitude | 204 |
| Country | United States |
#2 Sumner
City in Bremer County, Iowa, United States of America
| Population | 1,965 |
| Coordinates | 42.8474800, -92.0915600 |
| Altitude | 323 |
| Country | United States |
End: Sumner (-92.09156, 42.84748)
Estimated Travel Time
Distance: 162 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 21m |
| 40 mph (64.37 km/h) | 02h 31m |
| 50 mph (80.47 km/h) | 02h 00m |
| 60 mph (96.56 km/h) | 01h 40m |
| 70 mph (112.65 km/h) | 01h 26m |
| 80 mph (129 km/h) | 01h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $13.39 | $26.77 |
| Mid-grade | $4.25 | $15.10 | $30.20 |
| Premium | $4.65 | $16.52 | $33.04 |
| Diesel | $5.30 | $18.83 | $37.66 |
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 · May 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.