How far is Saint Ann, MO from Florissant, MO?
The driving distance from Saint Ann, MO to Florissant, MO is about 10.2 miles (16.4 km), with a travel time of about 00h 14m by car.
- The straight-line flight distance is about 5.4 miles (8.7 km).
- For a round trip, plan for roughly 00h 29m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 14m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Suburb city of St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Saint Ann and Florissant.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Ann and Florissant.
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1
Start on San Jose Lane
128 m · 25 sec · San Jose Lane
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2
Turn left onto Saint Charles Rock Road
1.1 mi · 2 min · Saint Charles Rock Road
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3
Take the ramp slight right toward US 67 North
815 ft · 17 sec
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4
Merge slight left onto North Lindbergh Boulevard
5.9 mi · 11 min · North Lindbergh Boulevard
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5
Turn right onto West Washington Street
1 mi · 2 min · West Washington Street
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6
Turn left onto North New Florissant Road
26 m · 1 sec · North New Florissant Road
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7
Arrive at your destination
0 m · 1 sec · North New Florissant Road
Car Route Details
A richer read on the saved driving route between Saint Ann and Florissant.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
North Lindbergh Boulevard
Merge slight left onto North Lindbergh Boulevard
5.87 mi · 00h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Saint Ann and Sunny near Florissant.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Ann to Florissant?
The road trip is about 10.2 miles (16.4 km) and usually takes 00h 14m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Hazelwood is a useful midpoint, sitting about 4.1 miles from Saint Ann and 6.1 miles from Florissant.
How much longer is the road route than the straight-line distance?
The direct path is about 5.4 miles (8.7 km), while the road route adds roughly 4.8 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 8:00 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.36 one way or $2.72 round trip. Estimated CO2 is about 3.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint Ann and Sunny near Florissant.
Stop Ideas Near Hazelwood
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 Hazelwood.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Saint Ann and Florissant. Straight-line distance: 5.38 mi (8.66 km).
#1 Saint Ann
City in Saint Louis County, Missouri, United States
| Population | 12,583 |
| Coordinates | 38.7272700, -90.3831700 |
| Altitude | 177 |
| 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: 16 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 20m |
| 40 mph (64.37 km/h) | 00h 15m |
| 50 mph (80.47 km/h) | 00h 12m |
| 60 mph (96.56 km/h) | 00h 10m |
| 70 mph (112.65 km/h) | 00h 08m |
| 80 mph (129 km/h) | 00h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $1.36 | $2.72 |
| Mid-grade | $4.25 | $1.53 | $3.06 |
| Premium | $4.65 | $1.68 | $3.35 |
| Diesel | $5.30 | $1.91 | $3.82 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.