How far is Monmouth, KS from Derby, KS?
The driving distance from Monmouth, KS to Derby, KS is about 156.2 miles (251.3 km), with a travel time of about 02h 39m by car.
- The straight-line flight distance is about 128.5 miles (206.8 km).
- For a round trip, plan for roughly 05h 18m 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 39m.
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 Greenwood County, Kansas
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Monmouth and Derby.
Turn-by-Turn Driving Directions
Step-by-step road directions between Monmouth and Derby.
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1
Start on East 516th Avenue
3 m · 3 sec · East 516th Avenue
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2
Turn right onto South 93rd Street
156 m · 25 sec · South 93rd Street
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3
Turn right onto East 515th Avenue
882 ft · 39 sec · East 515th Avenue
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4
Continue on East 515th Avenue
61 m · 9 sec · East 515th Avenue
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5
Turn straight onto South 90th Street
1.5 mi · 6 min · South 90th Street
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6
Turn right
57.6 mi · 1 hr 6 min
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7
Enter the roundabout and take exit 2 toward Clayton J. Connell Memorial Highway
52 m · 2 sec · Clayton J. Connell Memorial Highway
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8
Exit the roundabout onto Clayton J. Connell Memorial Highway
61.6 mi · 1 hr 11 min · Clayton J. Connell Memorial Highway
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9
Continue on Vietnam Veterans Memorial Highway
7.3 mi · 9 min · Vietnam Veterans Memorial Highway
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10
Continue on East 7th Avenue
1.1 km · 2 min · East 7th Avenue
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11
Continue on Vietnam Veterans Memorial Highway
10.6 mi · 13 min · Vietnam Veterans Memorial Highway
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12
Take the exit slight right toward I 35, KS 96: Kansas Turnpike
1522 ft · 37 sec
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13
Continue straight
1392 ft · 18 sec
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14
Take the exit slight right toward I 35: Kansas Turnpike, 127th Street East
1617 ft · 44 sec
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15
Turn right
869 ft · 21 sec
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16
Keep slight right to continue on I 35 South: Kansas Turnpike South, Wichita, Oklahoma City
1369 ft · 33 sec
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17
Merge slight left onto Kansas Turnpike
7.5 mi · 7 min · Kansas Turnpike
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18
Take the exit slight right toward KS 15: Wichita K-15
2608 ft · 1 min
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19
Keep slight left
45 m · 4 sec
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20
Turn right onto Turnpike Drive
1143 ft · 19 sec · Turnpike Drive
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21
At the end of the road, turn left onto South Southeast Boulevard
5.1 mi · 8 min · South Southeast Boulevard
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22
Continue on North Baltimore Avenue
2237 ft · 45 sec · North Baltimore Avenue
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23
Turn left onto East Main Street
83 m · 17 sec · East Main Street
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24
Turn left
37 m · 9 sec
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25
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Monmouth and Derby.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Clayton J. Connell Memorial Highway
Exit the roundabout onto Clayton J. Connell Memorial Highway
61.6 mi · 01h 11m
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.
Partly Sunny leaving Monmouth and Mostly Cloudy near Derby.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Monmouth to Derby?
The road trip is about 156.2 miles (251.3 km) and usually takes 02h 39m 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?
Fall River is a useful midpoint, sitting about 77.2 miles from Monmouth and 79 miles from Derby.
How much longer is the road route than the straight-line distance?
The direct path is about 128.5 miles (206.8 km), while the road route adds roughly 27.7 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 1:12 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.78 one way or $41.56 round trip. Estimated CO2 is about 49 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Monmouth and Mostly Cloudy near Derby.
Flight Path Map
This map shows the direct air route between Monmouth and Derby. Straight-line distance: 128.52 mi (206.84 km).
#1 Monmouth
Unincorporated community in Kansas, United States
| Population | 3,109 |
| Coordinates | 37.3631100, -94.9369100 |
| Altitude | 267 |
| Country | United States |
#2 Derby
City in Sedgwick County, Kansas, United States
| Population | 25,145 |
| Coordinates | 37.5455700, -97.2689300 |
| Altitude | 394 |
| Country | United States |
End: North Georgie (-97.268759, 37.545571)
Estimated Travel Time
Distance: 251 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 12m |
| 40 mph (64.37 km/h) | 03h 54m |
| 50 mph (80.47 km/h) | 03h 07m |
| 60 mph (96.56 km/h) | 02h 36m |
| 70 mph (112.65 km/h) | 02h 13m |
| 80 mph (129 km/h) | 01h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $20.78 | $41.56 |
| Mid-grade | $4.25 | $23.43 | $46.87 |
| Premium | $4.65 | $25.64 | $51.29 |
| Diesel | $5.30 | $29.23 | $58.45 |
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 Kansas · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.