Trenton, MO to Florissant, MO is 249.2 miles and takes about 5h 9m via Chicago-Kansas City Expressway and US 65 Business, with a fuel budget near $39 and enough daylight to finish in a day. This trip stays within Missouri, traversing the Midwest region. Expect a mix of highway driving and surface roads as you make your way southeast. With only one recommended stop and a duration under six hours, this route is well-suited for a single day of travel, allowing for flexibility.
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
124.6 miles from Trenton, MO
A natural place for your longest stop of the day
, about 2h 36m into the drive
.
Main Roads
Road
Distance
Duration
Chicago-Kansas City Expressway
111.4 mi
2h 8m
Avenue of the Saints
73.7 mi
1h 27m
US 65 Business
23.1 mi
37m
Dwight D Eisenhower Highway
21.2 mi
26m
V.F.W. Memorial Highway
5.8 mi
6m
I 270
4.2 mi
5m
Veterans Road
2.1 mi
3m
North Lindbergh Boulevard
1.8 mi
3m
Longest stretch:
Chicago-Kansas City Expressway
— 111.4 mi, about 2h 8m
Traffic on I-70
Hour-of-day weekday pattern from 34 FHWA count stations on your route.
Peak
4 PM
~4,766 veh/hr typical
· worst 5,506
Quietest
2 AM
~423 veh/hr
Peak-to-quiet ratio
11.3×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 105 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Trenton, MO and Florissant, MO.
1
Start on Mable Street
462 ft·14 sec·Mable Street
2
Turn left onto East 15th Street
239 ft·16 sec·East 15th Street
3
Turn left onto Main Street
0.3 mi·35 sec·Main Street
4
At end of road, turn left
19 ft·5 sec
5
Turn right onto Main Street
337 ft·14 sec·Main Street
6
Turn left onto MO 6
1.4 mi·2 min·East 9th Street
7
Turn right onto US 65 Business
23 mi·37 min·US 65 Business
8
Take the ramp
0.2 mi·12 sec
Toward US 36 East, MO 110 East: Brookfield
9
Merge onto US 36; MO 110
111 mi·2 hr 8 min·Chicago-Kansas City Expressway
10
Continue on US 24; US 36; MO 110
5.8 mi·6 min·V.F.W. Memorial Highway
11
Take the exit
0.2 mi·30 sec
Toward Veterans Road
12
Turn right onto Veterans Road
2.1 mi·3 min·Veterans Road
13
At end of road, turn left onto County Road 422
279 ft·6 sec·County Road 422
14
Continue on Paris Gravel Road
0.5 mi·1 min·Paris Gravel Road
15
Take the ramp
120 ft·3 sec
16
Merge onto US 61
74 mi·1 hr 27 min·Avenue of the Saints
Use the right lane.
17
Take the exit
0.5 mi·51 sec
Toward I 70 East: Saint LouisUse the slight left / straight lanes.
18
Merge onto I 70
21 mi·26 min·Dwight D Eisenhower Highway
Use the straight / slight right lanes.
19
Take the exit
0.2 mi·12 sec
Exit 232Toward I 270: Chicago, MemphisUse the slight right lane.
20
Keep slight left at fork
0.5 mi·36 sec
Toward I 270 North: ChicagoUse the slight left lane.
21
Continue on this road
0.2 mi·18 sec·this road
Exit 232Toward I 270 North: Chicago
22
Keep slight left at fork
0.2 mi·14 sec
Toward I 270 North: ChicagoUse the straight lane.
23
Merge onto I 270
4.2 mi·5 min·I 270
24
Take the exit
0.3 mi·44 sec
Exit 25Toward US 67Use the straight / slight right lanes.
25
Turn left onto US 67
1.8 mi·3 min·North Lindbergh Boulevard
Use the left lane.
26
Turn right onto West Washington Street
1.0 mi·2 min·West Washington Street
27
Turn left onto North New Florissant Road
87 ft·1 sec·North New Florissant Road
28
Arrive at destination
North New Florissant Road
Trip Plan
Given the total duration of just over five hours, starting your drive in the morning from Trenton will comfortably get you to Florissant before evening. The route includes one recommended stop, so plan to take a break around the halfway point or when you feel ready. Fuel costs are estimated at $39, so ensure your tank is topped off before you leave Trenton, especially as highway stretches can mean fewer immediate fuel options. The transition from highway to surface roads will require you to adjust your speed and be mindful of local conditions.
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 124.6 miles from Trenton, MO, or about 2h 36m into the drive.
The longest continuous stretch on this route runs about 111.4 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 55 miles or 1h 15m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 124.6 miles or 2h 36m 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 12m
Traffic, exits, and arrival timing usually matter more near Florissant, MO than in the middle of the route.
Before You Leave
+
Open the route before leaving Trenton, 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 Trenton, MO
This is one driving day of about 249.2 miles and 5h 9m.
Your first comfortable stop window is around 55 miles from Trenton, 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 Chicago-Kansas City Expressway for about 111.4 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 22
5 decision points cluster between mile 25 and 246.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
25 mi into trip|~41m in
Take the ramp toward US 36 East, MO 110 East: Brookfield
Multiple destination signs - pick the right one
Toward US 36 East, MO 110 East: Brookfield
8
240.8 mi into trip|~4h 56m in
Take the exit toward I 270: Chicago, Memphis
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 232
Toward I 270: Chicago, Memphis
7
241 mi into trip|~4h 56m in
Keep slight left at fork toward I 270 North: Chicago
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward I 270 North: Chicago
8
241.7 mi into trip|~4h 57m in
Keep slight left at fork toward I 270 North: Chicago
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight lane.
Toward I 270 North: Chicago
7
246.1 mi into trip|~5h 3m in
Take the exit toward US 67
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 25
Toward US 67
Fuel & Cost
Regular Gas
$41.57 one way
$83.14 round trip
$4.24/gal25.4 MPG avg87 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.62
$45.36
$90.71
premium
$5.25
$51.54
$103.07
diesel
$6.28
$61.57
$123.15
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$42
Meals
$25–$50
Total
$67–$92
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 87.2 kg one way.
Prices: EIA weekly data, 2026-10-19.
Driving Electric?
About $26 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
74.8
0
$26.17
$11.96
Efficient EV
62.3
0
$21.81
$9.97
EV Truck/SUV
99.7
1
$34.89
$15.95
Gas CO2
87 kg
EV CO2
29 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 Oct 23, 2026
Origin
Trenton, MO
Night
in Trenton on Saturday
Local time
9:08 PM
CDT
Current temp
50°F
Mostly Clear
E 5 mph0% chanceLive forecast
Destination
Florissant, MO
Night
in Florissant on Saturday
Local time
9:08 PM
CDT
Current temp
51°F
Clear
E 3 mph0% chanceLive forecast
52°F
Independence, IL
125 mi in
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
1 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 9m 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...
13 mi from route
~33 min detour
$19
near mile 249.2
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This drive is a 56% highway experience, meaning you'll spend a good portion of your time on faster roads. The longest continuous stretch on the Chicago-Kansas City Expressway covers 111.4 miles, offering a consistent pace. After this, the route transitions to more mixed highway and surface roads, including US 65 Business, which will likely present a more varied driving environment with more frequent exits and local traffic.
56% highway, the rest on surface roads — varied driving throughout.
28 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 111.4 mi on Chicago-Kansas City Expressway.
How Hard Is This Drive?
9/10
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 25 miles in.
Driving Effort9/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 22 significant decision points across 249.2 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 25 miles: Multiple destination signs - pick the right one; at 240.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 241 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Trenton is a city in northwest Missouri and the county seat of Grundy County. It is located in the rural Green Hills region of northern Missouri and serves as a local center for the surrounding communities.
Doable as a same-day drive at 5h 9m. Total distance: 249.2 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
5h 9m drive, comfortable solo distance.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 111.4 miles on Chicago-Kansas City Expressway. The full list of main roads is in the Roads section above.
Yes — we found about 5 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Florissant, MO before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. There are 5 rest areas along the route for bathroom stops.
The main spots that need attention: at 25 miles: Multiple destination signs - pick the right one; at 240.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 241 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Gateway Arch National Park. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 5.2 hours each way, a round trip means 10.3 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Florissant, MO before the return drive.
