St. Louis, MO to Grain Valley, MO is 226.2 miles and takes about 4h 21m via Dwight D Eisenhower Highway, with a fuel budget near $35 and enough daylight to finish in a day. This drive stays within the Midwest, specifically within Missouri. Expect a route that involves frequent turns and local roads, rather than a straight shot on the interstate. With a recommended one-day duration, this trip is well-suited for a straightforward journey, allowing for plenty of flexibility in your schedule. The relatively short distance and manageable drive time make it an accessible option for many travelers.
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
113.1 miles from St. Louis, MO
A natural place for your longest stop of the day
, about 2h 16m into the drive
.
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
46.6 mi
50m
Avenue of the Saints
27.8 mi
33m
Daniel Boone Expressway
5.7 mi
7m
Jack Buck Memorial Highway
4.3 mi
5m
Sheriff Roger I. Wilson Memorial Highway
2 mi
2m
Market Street
1.6 mi
3m
Longest stretch:
Dwight D Eisenhower Highway
— 80.7 mi, about 1h 35m
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis, MO and Grain Valley, MO.
1
Start on Market Street
1.6 mi·3 min·Market Street
2
Take the ramp
0.3 mi·23 sec
Toward I 64 West, US 40 West: Wentzville
3
Merge onto I 64; US 40
4.3 mi·5 min·Jack Buck Memorial Highway
Use the straight lane.
4
Continue on I 64; US 40
5.7 mi·7 min·Daniel Boone Expressway
Use the straight lane.
5
Continue on I 64; US 40; US 61
28 mi·33 min·Avenue of the Saints
Use the straight lane.
6
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.
7
Merge onto I 70; US 40
81 mi·1 hr 35 min·Dwight D Eisenhower Highway
8
Continue on I 70; US 40
2.0 mi·2 min·Sheriff Roger I. Wilson Memorial Highway
9
Continue on I 70; US 40
1.6 mi·1 min·Highway Patrol Sgt. Benjamin Booth Memorial Highway
10
Continue on I 70; US 40
1.8 mi·2 min·Dwight D. Eisenhower Highway
11
Continue on I 70; US 40
54 mi·58 min·U.S. Submarine Veterans' Memorial Highway
12
Continue on I 70; US 40
45 mi·47 min·Dwight D. Eisenhower Highway
13
Take the exit onto US 40
0.2 mi·34 sec·US 40
Exit 24Toward MO AA, US 40, MO BB: Grain Valley, Buckner
14
Turn left onto US 40; MO BB
0.5 mi·1 min·North Main Street
15
Turn right onto West Front Street
98 ft·4 sec·West Front Street
16
Arrive at destination
West Front Street
Trip Plan
Given the 4h 21m estimated drive time and the 'Turn-heavy local drive' profile, starting your journey in the morning is advisable to maximize daylight. Plan for one stop, which should be sufficient for a break given the route's length. Keep an eye on your navigation system, as the frequent turns on local roads will be key to staying on track. The estimated fuel cost of $35 should cover the 226.2 miles, but it's always wise to have a little extra buffer. Since this is a single-day trip, you have the advantage of flexibility; if you encounter unexpected delays, you can adjust your pace without the pressure of an overnight stay.
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 113.1 miles from St. Louis, MO, or about 2h 16m 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 50 miles or 1h 2m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 113.1 miles or 2h 16m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 36m
Traffic, exits, and arrival timing usually matter more near Grain Valley, MO than in the middle of the route.
Before You Leave
+
Open the route before leaving St. Louis, 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 St. Louis, MO
This is one driving day of about 226.2 miles and 4h 21m.
Your first comfortable stop window is around 50 miles from St. Louis, 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.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 6
5 decision points cluster between mile 1.6 and 225.5 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
1.6 mi into trip|~3m in
Take the ramp toward I 64 West, US 40 West: Wentzville
Multiple destination signs - pick the right one
Toward I 64 West, US 40 West: Wentzville
5
1.9 mi into trip|~3m in|I 64; US 40 / Jack Buck Memorial Highway
Merge onto I 64; US 40 / Jack Buck Memorial Highway
Merge point - match speed before joining. Lane positioning matters here
Use the straight lane.
8
39.7 mi into trip|~50m in|US 40
Take the exit onto US 40 toward I 70 West, US 40 West: Kansas City
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight left lanes.
Exit 1A
Toward I 70 West, US 40 West: Kansas City
3
40.3 mi into trip|~51m in|I 70; US 40 / Dwight D Eisenhower Highway
Merge onto I 70; US 40 / Dwight D Eisenhower Highway
Merge point - match speed before joining
6
225.5 mi into trip|~4h 19m in|US 40
Take the exit onto US 40 toward MO AA, US 40, MO BB: Grain Valley, Buckner
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 24
Toward MO AA, US 40, MO BB: Grain Valley, Buckn...
Fuel & Cost
Regular Gas
$35.36 one way
$70.73 round trip
$3.97/gal25.4 MPG avg79 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.36
$38.83
$77.66
premium
$4.89
$43.53
$87.06
diesel
$5.61
$49.94
$99.88
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$35
Meals
$25–$50
Total
$60–$85
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 79.1 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $24 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
67.9
0
$23.75
$10.86
Efficient EV
56.6
0
$19.79
$9.05
EV Truck/SUV
90.5
1
$31.67
$14.48
Gas CO2
79 kg
EV CO2
26 kg (67% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
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 as of Apr 18, 2026
Origin
St. Louis, MO
Night
in St. Louis on Saturday
Local time
11:19 PM
CDT
Current temp
49°F
Showers And Thunderstorms
NW 10 mph89% chanceLive forecast
Flood Warning
Flood Warning issued April 18 at 2:43AM CDT by NWS St Louis MO
Flood Warning
Flood Warning issued April 18 at 2:07AM CDT until April 19 at 5:30PM CDT by NWS Springfield MO
Destination
Grain Valley, MO
Night
in Grain Valley on Saturday
Local time
11:19 PM
CDT
Current temp
40°F
Mostly Cloudy
NNW 13 mph0% chanceLive forecast
Flood Warning
Flood Warning issued April 18 at 2:43AM CDT by NWS St Louis MO
Flood Warning
Flood Warning issued April 18 at 2:07AM CDT until April 19 at 5:30PM CDT by NWS Springfield MO
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
9 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
4h 21m 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.
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...
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This drive is characterized as a 'Turn-heavy local drive', suggesting a route that deviates from pure highway cruising. While 3 out of the 5 driving segments are on highways, including the Dwight D Eisenhower Highway and U.S. Submarine Veterans' Memorial Highway, you'll encounter local road sections as well. The longest uninterrupted stretch you'll experience is 80.7 miles on Dwight D Eisenhower Highway. This blend means you'll likely transition between faster highway speeds and more controlled local driving, requiring attention to navigation and speed limits.
Only 3% highway — the rest is turn-by-turn surface driving.
16 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 80.7 mi on Dwight D Eisenhower Highway.
How Hard Is This Drive?
3/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way. The trickiest moment comes around 1.6 miles in.
Driving Effort3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 4h 21m drive. You will face about 6 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 1.6 miles: Multiple destination signs - pick the right one; at 1.9 miles (I 64; US 40 / Jack Buck Memorial Highway): Merge point - match speed before joining. Lane positioning matters here; at 39.7 miles (US 40): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
The Gateway City of St. Louis is the epitome of the modern Midwestern metropolis. Missouri's second-largest city is vibrant but laid-back, populous but navigable, historic but still relevant. The city's planners have created an aesthetically beautiful city, with plenty of green space amidst buildings both old and new, framed by the majestic Mississippi and Missouri rivers. And capping it all is the world's tallest man-made monument, the beautiful and iconic Gateway Arch.
St. Louis is a city of culture and surprisingly inexpensive. Among American cities, only Washington, D.C. has more free attractions for tourists and residents alike. Hotels, restaurants, and even parking garages avoid the premium pricing common in other big cities. Although often overlooked, St. Louis can be an affordable, educational, and fun family getaway.
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 80.7 miles on Dwight D Eisenhower Highway. The full list of main roads is in the Roads section above.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.
The main spots that need attention: at 1.6 miles: Multiple destination signs - pick the right one; at 1.9 miles (I 64; US 40 / Jack Buck Memorial Highway): Merge point - match speed before joining. Lane positioning matters here; at 39.7 miles (US 40): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Gateway Arch National Park. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 4.4 hours each way, an in-and-out day trip would put you behind the wheel for 8.7 hours — manageable with a long break at Grain Valley, MO, but most travelers stay overnight.
