How far is Affton, MO from Lee's Summit, MO?
The driving distance from Affton, MO to Lee's Summit, MO is about 245.6 miles (395.3 km), with a travel time of about 03h 51m by car.
- The straight-line flight distance is about 219.7 miles (353.5 km).
- For a round trip, plan for roughly 07h 42m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 03h 51m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
The most populous city in the state of Missouri.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Affton and Lee's Summit.
Turn-by-Turn Driving Directions
Step-by-step road directions between Affton and Lee's Summit.
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1
Start on the route
81 m · 20 sec
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2
Turn slight right
20 m · 5 sec
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3
Turn right onto Gravois Road
64 m · 11 sec · Gravois Road
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4
Continue on Gravois Road
4 mi · 8 min · Gravois Road
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5
Take the ramp slight right toward I 270 North
2283 ft · 33 sec
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6
Merge slight left
8.1 mi · 10 min
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7
Take the exit slight right toward I 64, US 40, US 61: Wentzville, Saint Louis
705 ft · 17 sec
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8
Keep slight left to continue on I 64 West, US 40 West, US 61 North: Wentzville
2009 ft · 49 sec
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9
Continue on I 64 West, US 40 West, US 61 North: Wentzville
674 ft · 10 sec
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10
Merge slight left onto Avenue of the Saints
25.4 mi · 31 min · Avenue of the Saints
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11
Take the exit slight left toward I 70 West, US 40 West: Kansas City
3047 ft · 1 min
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12
Merge slight left onto Dwight D Eisenhower Highway
80.7 mi · 1 hr 35 min · Dwight D Eisenhower Highway
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13
Continue on Sheriff Roger I. Wilson Memorial Highway
2 mi · 2 min · Sheriff Roger I. Wilson Memorial Highway
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14
Continue on Highway Patrol Sgt. Benjamin Booth Memorial Highway
1.6 mi · 2 min · Highway Patrol Sgt. Benjamin Booth Memorial Highway
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15
Continue on Dwight D. Eisenhower Highway
1.8 mi · 2 min · Dwight D. Eisenhower Highway
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16
Continue on U.S. Submarine Veterans' Memorial Highway
54.4 mi · 58 min · U.S. Submarine Veterans' Memorial Highway
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17
Continue on Dwight D. Eisenhower Highway
52.5 mi · 57 min · Dwight D. Eisenhower Highway
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18
Continue on Truman/Eisenhower Presidential Highway
1.6 mi · 2 min · Truman/Eisenhower Presidential Highway
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19
Take the exit slight right toward I 470 South, MO 291 South: Lee's Summit
1418 ft · 40 sec
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20
Merge slight left
6.4 mi · 8 min
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21
Keep slight left to continue on MO 291 South: Harrisonville
2.5 mi · 4 min
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22
Turn right onto Southeast 3rd Street
1.4 km · 2 min · Southeast 3rd Street
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23
Continue on Southwest 3rd Street
1495 ft · 40 sec · Southwest 3rd Street
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24
Arrive at your destination
0 m · 1 sec · Southwest 3rd Street
Car Route Details
A richer read on the saved driving route between Affton and Lee's Summit.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Dwight D Eisenhower Highway
Merge slight left onto Dwight D Eisenhower Highway
80.7 mi · 01h 35m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Showers And Thunderstorms leaving Affton and Showers And Thunderstorms Likely near Lee's Summit.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Affton to Lee's Summit?
The road trip is about 245.6 miles (395.3 km) and usually takes 03h 51m 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?
Columbia is a useful midpoint, sitting about 121.8 miles from Affton and 123.8 miles from Lee's Summit.
How much longer is the road route than the straight-line distance?
The direct path is about 219.7 miles (353.5 km), while the road route adds roughly 25.9 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 $32.69 one way or $65.39 round trip. Estimated CO2 is about 77.1 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Affton and Showers And Thunderstorms Likely near Lee's Summit.
Stop Ideas Near Columbia
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 Columbia.
Jefferson City
Sedalia
Hermann
Flight Path Map
This map shows the direct air route between Affton and Lee's Summit. Straight-line distance: 219.64 mi (353.47 km).
#1 Affton
Census designated place
| Population | 20,307 |
| Coordinates | 38.5506100, -90.3331700 |
| Altitude | 188 |
| Country | United States |
#2 Lee's Summit
The most populous city in Jackson County, Missouri.
| Population | 101,467 |
| Coordinates | 38.9108400, -94.3821700 |
| Altitude | 316 |
| Country | United States |
End: Southwest 3rd Street (-94.382168, 38.910873)
Estimated Travel Time
Distance: 395 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 11m |
| 40 mph (64.37 km/h) | 06h 08m |
| 50 mph (80.47 km/h) | 04h 54m |
| 60 mph (96.56 km/h) | 04h 05m |
| 70 mph (112.65 km/h) | 03h 30m |
| 80 mph (129 km/h) | 03h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $32.69 | $65.39 |
| Mid-grade | $4.25 | $36.87 | $73.75 |
| Premium | $4.65 | $40.35 | $80.70 |
| Diesel | $5.30 | $45.99 | $91.97 |
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 Missouri · Apr 24, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.