How far is Florissant, MO from Crystal City, MO?
The driving distance from Florissant, MO to Crystal City, MO is about 49.6 miles (79.9 km), with a travel time of about 01h 05m by car.
- The straight-line flight distance is about 39.4 miles (63.4 km).
- For a round trip, plan for roughly 02h 10m 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 05m.
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.
Census designated place
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 Florissant and Crystal City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Florissant and Crystal City.
-
1
Start on North New Florissant Road
26 m · 6 sec · North New Florissant Road
-
2
Turn right onto Washington Street
1 mi · 2 min · Washington Street
-
3
Turn left onto Lindbergh Boulevard
1.7 mi · 3 min · Lindbergh Boulevard
-
4
Take the ramp slight right
1912 ft · 47 sec
-
5
Merge slight left onto Rosemary Straub Davison Highway
24.3 mi · 30 min · Rosemary Straub Davison Highway
-
6
Take the exit slight right toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry Road
1911 ft · 27 sec
-
7
Keep slight right to continue on I 55 South: Memphis
2031 ft · 44 sec
-
8
Merge slight left onto Rosa Parks Highway
1.5 mi · 2 min · Rosa Parks Highway
-
9
Continue on Officer Thomas G. Smith, Jr. Memorial Highway
1.8 mi · 2 min · Officer Thomas G. Smith, Jr. Memorial Highway
-
10
Continue on Police Officer Steven Jarvis Memorial Highway
14.3 mi · 15 min · Police Officer Steven Jarvis Memorial Highway
-
11
Take the exit slight right toward Herculaneum
1006 ft · 25 sec
-
12
Turn right onto McNutt Street
141 m · 13 sec · McNutt Street
-
13
Enter the roundabout and take exit 4 toward McNutt Street
550 ft · 10 sec · McNutt Street
-
14
Exit the roundabout onto McNutt Street
3221 ft · 1 min · McNutt Street
-
15
Turn right onto Commercial Boulevard
3160 ft · 1 min · Commercial Boulevard
-
16
Continue on North Truman Boulevard
1.5 mi · 3 min · North Truman Boulevard
-
17
Turn left onto 8th Street
1159 ft · 25 sec · 8th Street
-
18
Turn right onto Jefferson Avenue
1954 ft · 59 sec · Jefferson Avenue
-
19
Turn left onto 3rd Avenue
111 m · 18 sec · 3rd Avenue
-
20
Turn right onto North Taylor Avenue
133 m · 19 sec · North Taylor Avenue
-
21
Arrive at your destination
0 m · 1 sec · North Taylor Avenue
Car Route Details
A richer read on the saved driving route between Florissant and Crystal City.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Rosemary Straub Davison Highway
Merge slight left onto Rosemary Straub Davison Highway
24.3 mi · 00h 30m
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.
Sunny leaving Florissant and Sunny near Crystal City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Florissant to Crystal City?
The road trip is about 49.6 miles (79.9 km) and usually takes 01h 05m 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?
Sappington is a useful midpoint, sitting about 24.9 miles from Florissant and 24.8 miles from Crystal City.
How much longer is the road route than the straight-line distance?
The direct path is about 39.4 miles (63.4 km), while the road route adds roughly 10.2 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 4:20 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.60 one way or $13.20 round trip. Estimated CO2 is about 15.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Florissant and Sunny near Crystal City.
Stop Ideas Near Sappington
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 Sappington.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Florissant and Crystal City. Straight-line distance: 39.36 mi (63.35 km).
#1 Florissant
The most populous city in St.
| Population | 50,795 |
| Coordinates | 38.7892200, -90.3226100 |
| Altitude | 175 |
| Country | United States |
#2 Crystal City
City in Jefferson County, Missouri, United States
| Population | 4,700 |
| Coordinates | 38.2211700, -90.3790100 |
| Altitude | 135 |
| Country | United States |
End: Crystal City (-90.37901, 38.22117)
Estimated Travel Time
Distance: 80 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 39m |
| 40 mph (64.37 km/h) | 01h 14m |
| 50 mph (80.47 km/h) | 00h 59m |
| 60 mph (96.56 km/h) | 00h 49m |
| 70 mph (112.65 km/h) | 00h 42m |
| 80 mph (129 km/h) | 00h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $6.60 | $13.20 |
| Mid-grade | $4.25 | $7.44 | $14.89 |
| Premium | $4.65 | $8.14 | $16.29 |
| Diesel | $5.30 | $9.28 | $18.56 |
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 · May 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.