This 299.2-mile journey from Flat River, MO, to Kansas City, MO, is designed for a single day of travel, taking approximately 5 hours and 46 minutes. You'll primarily navigate on highways like the Dwight D. Eisenhower Highway and the U.S. Submarine Veterans' Memorial Highway, with about 20% of the drive being on these main roads. The estimated fuel cost for this trip is around $47, making it an economical option. Given its manageable distance and duration, this route is well-suited for a day trip, allowing you to reach your destination without needing an overnight stop. You'll be traveling within the Midwest region for the entirety of your drive.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
149.6 miles from Flat River, MO
A natural place for your longest stop of the day
, about 2h 59m into the drive
.
Loading map...
Drive Character
Expect a 'turn-heavy local drive' profile for this 299.2-mile route. While 20% of your journey will be on main highways, including the Dwight D. Eisenhower Highway, the overall feel is more about navigating local roads and transitions. The longest uninterrupted stretch you'll encounter is 80.7 miles, also on the Dwight D. Eisenhower Highway. This suggests a driving experience that involves more frequent adjustments and a less monotonous pace compared to an all-interstate route. Be prepared for varied road conditions and a dynamic driving environment as you make your way across Missouri.
This route has more turning and local-road decision points than a simple highway run.
There are about 36 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Dwight D Eisenhower Highway is the longest continuous segment at about 80.7 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 52.3 miles in.
Route Complexity10/10
High effort - long or complex enough to need steady focus all day
This is a demanding drive. With 20 significant decision points across 299.2 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 52.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 52.5 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 64.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 20 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
8
52.3 mi into trip|~1h 1m in
Take the exit toward I 270 West, I 255 East: Kansas City, Chicago
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 196
Toward I 270 West, I 255 East: Kansas City, Chi...
8
52.5 mi into trip|~1h 2m in
Keep slight left at fork toward I 270 West: Kansas City
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward I 270 West: Kansas City
8
64.8 mi into trip|~1h 17m in
Take the exit toward I 64, US 40, US 61: Wentzville, Saint Louis
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 12
Toward I 64, US 40, US 61: Wentzville, Saint Lo...
9
298.5 mi into trip|~5h 45m in|I 670; I 70 Alt
Keep slight left at fork onto I 670; I 70 Alt toward I 670 West, I 70 Alternate, I 35 South: Topeka, Wichita
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 2L
Toward I 670 West, I 70 Alternate, I 35 South:...
9
298.7 mi into trip|~5h 45m in
Take the exit toward 13th Street, Downtown
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 2P
Toward 13th Street, Downtown
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Flat River, MO and Kansas City, MO, road signs point toward Chicago and Saint Louis.
Chicago
52.3 mi in|~1h 1m
Saint Louis
64.8 mi in|~1h 17m
Main Roads
Road
Distance
Duration
Dwight D Eisenhower Highway
80.7 mi
1h 35m
U.S. Submarine Veterans' Memorial Highway
54.4 mi
58m
Dwight D. Eisenhower Highway
54.3 mi
58m
US 67
26.6 mi
30m
Avenue of the Saints
25.4 mi
30m
I 55
20.5 mi
22m
I 270
11.5 mi
14m
George Brett Super Highway
6.8 mi
9m
Longest stretch:
Dwight D Eisenhower Highway
— 80.7 mi, about 1h 35m
Turn-by-Turn Driving Directions
Step-by-step road directions between Flat River, MO and Kansas City, MO.
1
Start on Crane Street
306 ft·9 sec·Crane Street
2
Turn right onto US 67 Business
0.1 mi·14 sec·East Main Street
3
Keep slight right at fork onto US 67 Business
0.1 mi·17 sec·West Main Street
4
Turn right onto US 67 Business
380 ft·7 sec·Coffman Street
5
Turn slight left onto US 67 Business
0.9 mi·1 min·Taylor Avenue
6
Continue on US 67 Business; MO 8
2.0 mi·3 min·South Desloge Drive
7
Take the ramp
0.2 mi·21 sec
Toward US 67 North: Saint Louis
8
Merge onto US 67
26 mi·30 min·US 67
9
Keep slight right at fork onto US 67
0.3 mi·27 sec·US 67
10
Take the exit
0.3 mi·49 sec
Toward I 55 North: Saint Louis
11
Merge onto I 55
21 mi·22 min·I 55
12
Continue on I 55
1.3 mi·1 min·Rosa Parks Highway
13
Take the exit
0.2 mi·27 sec
Exit 196Toward I 270 West, I 255 East: Kansas City, ChicagoUse the slight right lane.
14
Keep slight left at fork
388 ft·8 sec
Toward I 270 West: Kansas CityUse the slight left lane.
15
Continue on this road
0.7 mi·1 min·this road
Exit 196Toward I 270 West
16
Merge onto I 270
11 mi·14 min·I 270
Use the straight lane.
17
Take the exit
0.1 mi·17 sec
Exit 12Toward I 64, US 40, US 61: Wentzville, Saint LouisUse the slight right lane.
18
Keep slight left at fork
0.4 mi·48 sec
Toward I 64 West, US 40 West, US 61 North: WentzvilleUse the slight left lane.
19
Continue on this road
0.1 mi·9 sec·this road
Exit 12Toward I 64 West, US 40 West, US 61 North: Wentzville
20
Merge onto I 64; US 40; US 61
25 mi·30 min·Avenue of the Saints
Use the straight lane.
21
Take the exit onto US 40
0.6 mi·1 min·US 40
Exit 1AToward I 70 West, US 40 West: Kansas CityUse the straight / slight left lanes.
22
Merge onto I 70; US 40
81 mi·1 hr 35 min·Dwight D Eisenhower Highway
23
Continue on I 70; US 40
2.0 mi·2 min·Sheriff Roger I. Wilson Memorial Highway
24
Continue on I 70; US 40
1.6 mi·1 min·Highway Patrol Sgt. Benjamin Booth Memorial Highway
25
Continue on I 70; US 40
1.8 mi·2 min·Dwight D. Eisenhower Highway
26
Continue on I 70; US 40
54 mi·58 min·U.S. Submarine Veterans' Memorial Highway
Exit 2LToward I 670 West, I 70 Alternate, I 35 South: Topeka, WichitaUse the straight / slight right lanes.
33
Take the exit
0.2 mi·24 sec
Exit 2PToward 13th Street, DowntownUse the slight right lane.
34
Continue on East 13th Street
0.2 mi·34 sec·East 13th Street
35
Turn right onto Oak Street
454 ft·13 sec·Oak Street
36
Arrive at destination
Oak Street
Trip Plan
Given the 5-hour and 46-minute duration, starting your drive from Flat River, MO, in the morning is advisable to maximize daylight hours. With only one recommended stop, you have considerable flexibility in pacing your 299.2-mile trip. The $47 fuel cost is a good baseline, but it's wise to check current prices and fill up before leaving Flat River, especially since the longest stretch on the Dwight D. Eisenhower Highway is over 80 miles. Keep an eye out for the transition points between local roads and the main highways, as these can sometimes be less clearly marked and require your attention.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 149.6 miles from Flat River, MO, or about 2h 59m into the drive.
The longest continuous stretch on this route runs about 80.7 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 36m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 149.6 miles or 2h 59m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 45m
Traffic, exits, and arrival timing usually matter more near Kansas City, MO than in the middle of the route.
Before You Leave
+
Open the route before leaving Flat River, MO so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Flat River, MO
This is one driving day of about 299.2 miles and 5h 46m.
Your first comfortable stop window is around 80 miles from Flat River, MO.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Dwight D Eisenhower Highway for about 80.7 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 149.6 mi from Flat River, MO
· 2h 59m into the drive
The midpoint is around 149.6 miles from Flat River, MO, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel check
Top up before Dwight D Eisenhower Highway if your tank is already low. That segment runs about 80.7 miles.
Arriving in Kansas City, MO
The final approach into Kansas City, MO usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Kansas City, MO.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
National Parks Near This Route
Worth a detour if your schedule allows.
Gateway Arch National Park
National Park
Gateway Arch National Park commemorates President Jefferson’s vision of a continental nation, the individuals and cultural groups who helped shape its history, St. Louis’ role in westward expansion, a...
13 mi from route
~32 min detour
$19
near mile 51.6
Established by 1750, Ste. Geneviève was the first permanent European settlement in Missouri. Early French Canadian settlers were drawn here by the rich agricultural land known as Le Grand Champ (the B...
Station data from NREL Alternative Fuel Stations database.
Driving Electric?
About $31 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
89.8
1
$31.42
$14.36
Efficient EV
74.8
0
$26.18
$11.97
EV Truck/SUV
119.7
1
$41.89
$19.15
Gas CO2
105 kg
EV CO2
35 kg (67% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast data refreshed 2 days ago
Origin
Flat River, MO
Afternoon
in Flat River on Tuesday
Local time
4:38 PM
CDT
Current temp
44°F
Unavailable
Live forecast
Destination
Kansas City, MO
Afternoon
in Kansas City on Tuesday
Local time
4:38 PM
CDT
Current temp
49°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
5 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
5h 46m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Flat River, MO to Kansas City, MO covers 299.2 miles and takes about 5h 46m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Dwight D Eisenhower Highway, U.S. Submarine Veterans' Memorial Highway, Dwight D. Eisenhower Highway. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 149.6 miles from Flat River, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $46.78 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a demanding drive. With 20 significant decision points across 299.2 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: at 52.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 52.5 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 64.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Between Flat River, MO and Kansas City, MO, road signs point toward Chicago and Saint Louis.
