If you are planning to travel from Troy to Florissant, you can expect a straightforward 46.6-mile journey that typically takes about 1 hour and 1 minute. This route is perfectly suited for a single-day trip, meaning you won't need to worry about overnight accommodations. With a modest fuel budget of approximately $7, the drive is quite economical for a quick regional transit within Missouri. Because the route stays entirely within the Midwest, you will experience a consistent regional feel throughout your travel. Whether you are heading out for business or visiting family, this drive offers a simple, efficient way to bridge the distance between these two communities.
Main Roads
Road
Distance
Duration
Dwight D Eisenhower Highway
21.2 mi
26m
Avenue of the Saints
15.1 mi
18m
I 270
4.2 mi
5m
North Lindbergh Boulevard
1.8 mi
3m
West Washington Street
1 mi
2m
East Cherry Street
0.6 mi
1m
North Lincoln Drive
0.2 mi
<1m
MO 47
0.2 mi
<1m
Longest stretch:
Dwight D Eisenhower Highway
— 21.2 mi, about 26m
Turn-by-Turn Driving Directions
Step-by-step road directions between Troy, MO and Florissant, MO.
1
Start on this road
97 ft·11 sec·this road
2
At end of road, turn left onto 2nd Street
99 ft·6 sec·2nd Street
3
Turn right onto East Cherry Street
0.2 mi·21 sec·East Cherry Street
4
Enter roundabout onto East Cherry Street
113 ft·2 sec·East Cherry Street
5
Continue on East Cherry Street
0.4 mi·49 sec·East Cherry Street
6
Turn left onto North Lincoln Drive
0.2 mi·23 sec·North Lincoln Drive
7
Turn slight right
208 ft·7 sec
8
Turn slight right onto MO 47
0.2 mi·21 sec·MO 47
9
Take the ramp
0.2 mi·14 sec
Toward US 61 South: Saint Louis
10
Merge onto US 61
15 mi·18 min·Avenue of the Saints
Use the right lane.
11
Take the exit
0.5 mi·51 sec
Toward I 70 East: Saint LouisUse the slight left / straight lanes.
12
Merge onto I 70
21 mi·26 min·Dwight D Eisenhower Highway
Use the straight / slight right lanes.
13
Take the exit
0.2 mi·12 sec
Exit 232Toward I 270: Chicago, MemphisUse the slight right lane.
14
Keep slight left at fork
0.5 mi·36 sec
Toward I 270 North: ChicagoUse the slight left lane.
15
Continue on this road
0.2 mi·18 sec·this road
Exit 232Toward I 270 North: Chicago
16
Keep slight left at fork
0.2 mi·14 sec
Toward I 270 North: ChicagoUse the straight lane.
17
Merge onto I 270
4.2 mi·5 min·I 270
18
Take the exit
0.3 mi·44 sec
Exit 25Toward US 67Use the straight / slight right lanes.
19
Turn left onto US 67
1.8 mi·3 min·North Lindbergh Boulevard
Use the left lane.
20
Turn right onto West Washington Street
1.0 mi·2 min·West Washington Street
21
Turn left onto North New Florissant Road
87 ft·1 sec·North New Florissant Road
22
Arrive at destination
North New Florissant Road
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
The midpoint is around 23.3 miles from Troy, MO, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 15
5 decision points cluster between mile 0.2 and 43.5 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0.2 mi into trip|~0m in|East Cherry Street
Enter roundabout onto East Cherry Street
Roundabout - know your exit number before entering
8
38.2 mi into trip|~48m 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
38.3 mi into trip|~48m 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
39 mi into trip|~49m 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
43.5 mi into trip|~55m 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
$7.29 one way
$14.57 round trip
$3.97/gal25.4 MPG avg16 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.36
$8.00
$16.00
premium
$4.89
$8.97
$17.94
diesel
$5.61
$10.29
$20.58
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$7
Estimated CO2 emission: 16.3 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $5 in charging
· 0 stops
· 69% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
14
0
$4.89
$2.24
Efficient EV
11.7
0
$4.08
$1.86
EV Truck/SUV
18.6
0
$6.52
$2.98
Gas CO2
16 kg
EV CO2
5 kg (69% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
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 12, 2026
Origin
Troy, MO
Night
in Troy on Saturday
Local time
11:25 PM
CDT
Current temp
60°F
Mostly Cloudy
S 8 mph4% chanceLive forecast
Special Weather Statement
Special Weather Statement issued April 12 at 12:21AM CDT by NWS Paducah KY
Flood Warning
Flood Warning issued April 11 at 9:46PM CDT until April 18 at 1:00PM CDT by NWS St Louis MO
Destination
Florissant, MO
Night
in Florissant on Saturday
Local time
11:25 PM
CDT
Current temp
62°F
Partly Cloudy
S 10 mph2% chanceLive forecast
Special Weather Statement
Special Weather Statement issued April 12 at 12:21AM CDT by NWS Paducah KY
Flood Warning
Flood Warning issued April 11 at 9:46PM CDT until April 18 at 1:00PM CDT by NWS St Louis MO
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
2 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
1h 1m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
Expect a turn-heavy local drive that demands your attention more than a standard interstate cruise might. You will navigate using a combination of the Dwight D. Eisenhower Highway, the Avenue of the Saints, and I-270. While only 9% of the trip is spent on major highways, these segments help move you along efficiently. Your longest uninterrupted stretch covers 21.2 miles on the Dwight D. Eisenhower Highway, providing a brief period of steady cruising. Transitioning between these different road types creates a dynamic driving experience that shifts from local navigation to more structured highway travel.
Only 9% highway — the rest is turn-by-turn surface driving.
22 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 21.2 mi on Dwight D Eisenhower Highway.
How Hard Is This Drive?
10/10
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 0.2 miles in near East Cherry Street.
Driving Effort10/10
Demanding - stay alert through the decision-heavy sections
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 46.6 miles you will encounter 15 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 0.2 miles (East Cherry Street): Roundabout - know your exit number before entering; at 38.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 38.3 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Elevation Profile
Mostly flat terrain
540 ft479 ft
Total Climb
0 ft
Total Descent
60 ft
Highest Point
540 ft
Elevation Range
60 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Troy, MO to Florissant, MO, road signs begin pointing toward Memphis along the way.
Memphis
38.2 mi in|~48m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 1m. Total distance: 46.6 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 1m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 21.2 miles on Dwight D Eisenhower Highway. The full list of main roads is in the Roads section above.
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.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 0.2 miles (East Cherry Street): Roundabout - know your exit number before entering; at 38.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 38.3 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.
Yes. A round trip is manageable in a single day if you plan a break at Florissant, MO before heading back.
