How far is Hannibal, MO from Florissant, MO?
The driving distance from Hannibal, MO to Florissant, MO is about 109 miles (175.4 km), with a travel time of about 01h 50m by car.
- The straight-line flight distance is about 84.3 miles (135.7 km).
- For a round trip, plan for roughly 03h 40m 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 50m.
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.
Unincorporated community in Missouri
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Hannibal and Florissant.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hannibal and Florissant.
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1
Start on the route
17 m · 9 sec
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2
Turn left onto Broadway
3145 ft · 1 min · Broadway
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3
Turn left onto Grand Avenue
1072 ft · 24 sec · Grand Avenue
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4
Turn right onto Warren Barett Drive
3 mi · 5 min · Warren Barett Drive
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5
Turn left onto Avenue of the Saints
73.2 mi · 1 hr 26 min · Avenue of the Saints
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6
Take the exit slight left toward I 70 East: Saint Louis
2705 ft · 51 sec
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7
Merge slight left onto Dwight D Eisenhower Highway
21.2 mi · 26 min · Dwight D Eisenhower Highway
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8
Take the exit slight right toward I 270: Chicago, Memphis
872 ft · 12 sec
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9
Keep slight left to continue on I 270 North: Chicago
2556 ft · 36 sec
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10
Continue on I 270 North: Chicago
1270 ft · 18 sec
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11
Keep slight left to continue on I 270 North: Chicago
988 ft · 14 sec
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12
Merge slight left
4.2 mi · 5 min
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13
Take the exit slight right toward US 67
1565 ft · 45 sec
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14
Turn left onto North Lindbergh Boulevard
1.8 mi · 3 min · North Lindbergh Boulevard
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15
Turn right onto West Washington Street
1 mi · 2 min · West Washington Street
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16
Turn left onto North New Florissant Road
26 m · 1 sec · North New Florissant Road
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17
Arrive at your destination
0 m · 1 sec · North New Florissant Road
Car Route Details
A richer read on the saved driving route between Hannibal 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
Turn left onto Avenue of the Saints
73.2 mi · 01h 26m
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.
Mostly Sunny leaving Hannibal and Sunny near Florissant.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hannibal to Florissant?
The road trip is about 109 miles (175.4 km) and usually takes 01h 50m 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?
Davis is a useful midpoint, sitting about 53.6 miles from Hannibal and 55.4 miles from Florissant.
How much longer is the road route than the straight-line distance?
The direct path is about 84.3 miles (135.7 km), while the road route adds roughly 24.7 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 2:50 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.52 one way or $29.04 round trip. Estimated CO2 is about 34.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Hannibal and Sunny near Florissant.
Stop Ideas Near Davis
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 Davis.
Hermann
Washington
Kirkwood
Alton
Flight Path Map
This map shows the direct air route between Hannibal and Florissant. Straight-line distance: 84.29 mi (135.65 km).
#1 Hannibal
City in Missouri, USA
| Population | 17,246 |
| Coordinates | 39.7083800, -91.3584800 |
| Altitude | 153 |
| 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: 175 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 37m |
| 40 mph (64.37 km/h) | 02h 43m |
| 50 mph (80.47 km/h) | 02h 10m |
| 60 mph (96.56 km/h) | 01h 48m |
| 70 mph (112.65 km/h) | 01h 33m |
| 80 mph (129 km/h) | 01h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $14.52 | $29.04 |
| Mid-grade | $4.25 | $16.37 | $32.75 |
| Premium | $4.65 | $17.92 | $35.84 |
| Diesel | $5.30 | $20.42 | $40.84 |
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 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.