How far is Vandalia, MO from Florissant, MO?
The driving distance from Vandalia, MO to Florissant, MO is about 95.3 miles (153.4 km), with a travel time of about 01h 35m by car.
- The straight-line flight distance is about 72.2 miles (116.2 km).
- For a round trip, plan for roughly 03h 11m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 35m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
City in Lincoln County, Montana, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Scattered Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Vandalia and Florissant.
Turn-by-Turn Driving Directions
Step-by-step road directions between Vandalia and Florissant.
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1
Start on North Main Street
15 m · 6 sec · North Main Street
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2
Turn left onto US 54
16.2 mi · 21 min · US 54
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3
Take the ramp right toward US 61 South: Saint Louis
1740 ft · 43 sec
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4
Merge slight left onto Avenue of the Saints
46.9 mi · 56 min · Avenue of the Saints
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5
Take the exit slight left toward I 70 East: Saint Louis
2705 ft · 51 sec
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6
Merge slight left onto Dwight D Eisenhower Highway
21.2 mi · 26 min · Dwight D Eisenhower Highway
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7
Take the exit slight right toward I 270: Chicago, Memphis
872 ft · 12 sec
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8
Keep slight left to continue on I 270 North: Chicago
2556 ft · 36 sec
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9
Continue on I 270 North: Chicago
1270 ft · 18 sec
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10
Keep slight left to continue on I 270 North: Chicago
988 ft · 14 sec
-
11
Merge slight left
4.2 mi · 5 min
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12
Take the exit slight right toward US 67
1565 ft · 45 sec
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13
Turn left onto North Lindbergh Boulevard
1.8 mi · 3 min · North Lindbergh Boulevard
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14
Turn right onto West Washington Street
1 mi · 2 min · West Washington Street
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15
Turn left onto North New Florissant Road
26 m · 1 sec · North New Florissant Road
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16
Arrive at your destination
0 m · 1 sec · North New Florissant Road
Car Route Details
A richer read on the saved driving route between Vandalia and Florissant.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Avenue of the Saints
Merge slight left onto Avenue of the Saints
46.9 mi · 00h 56m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Scattered Showers And Thunderstorms leaving Vandalia and Chance Showers And Thunderstorms near Florissant.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Vandalia to Florissant?
The road trip is about 95.3 miles (153.4 km) and usually takes 01h 35m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Troy is a useful midpoint, sitting about 46.8 miles from Vandalia and 48.5 miles from Florissant.
How much longer is the road route than the straight-line distance?
The direct path is about 72.2 miles (116.2 km), while the road route adds roughly 23.1 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:18 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.67 one way or $25.34 round trip. Estimated CO2 is about 29.9 kg one way.
What should you check before leaving?
Before you leave, expect Scattered Showers And Thunderstorms around Vandalia and Chance Showers And Thunderstorms near Florissant.
Stop Ideas Near Troy
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 Troy.
Washington
Hermann
Kirkwood
Alton
Flight Path Map
This map shows the direct air route between Vandalia and Florissant. Straight-line distance: 72.2 mi (116.19 km).
#1 Vandalia
City in Audrain and Ralls Counties, Missouri, USA
| Population | 3,496 |
| Coordinates | 39.3108700, -91.4884900 |
| Altitude | 232 |
| Country | United States |
#2 Florissant
The most populous city in St.
| Population | 50,795 |
| Coordinates | 38.7892200, -90.3226100 |
| Altitude | 175 |
| Country | United States |
End: North New Florissant Road (-90.32261, 38.78922)
Estimated Travel Time
Distance: 153 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 10m |
| 40 mph (64.37 km/h) | 02h 23m |
| 50 mph (80.47 km/h) | 01h 54m |
| 60 mph (96.56 km/h) | 01h 35m |
| 70 mph (112.65 km/h) | 01h 21m |
| 80 mph (129 km/h) | 01h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $12.67 | $25.34 |
| Mid-grade | $4.25 | $14.29 | $28.58 |
| Premium | $4.65 | $15.64 | $31.27 |
| Diesel | $5.30 | $17.82 | $35.64 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.