How far is Florissant, MO from Trenton, MO?

The driving distance from Florissant, MO to Trenton, MO is about 248.7 miles (400.2 km), with a travel time of about 05h 08m by car.

  • The straight-line flight distance is about 197 miles (317.1 km).
  • For a round trip, plan for roughly 10h 17m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
248.7 mi
05h 08m
Flight
197.06 mi
317.14 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Florissant.

Flight Distance

Direct air line
197.06 mi
Kilometers
317.14 km
Flight Time
00h 23m

Driving Distance

Road route
248.7 mi
Kilometers
400.25 km
Drive Time
05h 08m

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 05h 08m.

Arrival Snapshot
Arrive in Trenton
Wed, Apr 29, 8:22 PM CDT
Return by in Florissant
Thu, Apr 30, 1:31 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Florissant
2026-04-29T15:13
Arrive Trenton
Wed, Apr 29, 8:22 PM CDT
Route Timing
05h 08m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:09 AM to 1:09 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
6:42 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Florissant
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Monroe City
MO

City in Monroe County, Missouri, United States

From Florissant
124.2 mi
02h 34m
To Trenton
124.5 mi
02h 34m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
50°F
Overnight

Slight Chance Rain Showers

Starts
Wed, Apr 29 3:00 AM CDT
Wind
8 mph N
Destination
43°F
Overnight

Partly Cloudy

Starts
Wed, Apr 29 12:00 AM CDT
Wind
6 mph NNW

Driving Route Map

The map below follows the saved road route between Florissant and Trenton.

Turn-by-Turn Driving Directions

Step-by-step road directions between Florissant and Trenton.

  1. 1

    Start on North New Florissant Road

    26 m · 6 sec · North New Florissant Road

  2. 2

    Turn right onto Washington Street

    1 mi · 2 min · Washington Street

  3. 3

    Turn left onto Lindbergh Boulevard

    1.7 mi · 3 min · Lindbergh Boulevard

  4. 4

    Take the ramp slight right

    1912 ft · 47 sec

  5. 5

    Merge slight left onto Rosemary Straub Davison Highway

    3.7 mi · 5 min · Rosemary Straub Davison Highway

  6. 6

    Take the exit slight right toward I 70: Saint Louis, Kansas City

    1492 ft · 26 sec

  7. 7

    Continue on I 70: Saint Louis, Kansas City

    2478 ft · 43 sec

  8. 8

    Keep slight right to continue on I 70 West: Kansas City

    2439 ft · 42 sec

  9. 9

    Merge slight left

    21.6 mi · 27 min

  10. 10

    Take the exit slight right toward US 61 North: Hannibal

    2234 ft · 48 sec

  11. 11

    Merge slight left onto Avenue of the Saints

    73.3 mi · 1 hr 27 min · Avenue of the Saints

  12. 12

    Take the exit slight left

    76 m · 15 sec

  13. 13

    Turn left onto Paris Gravel Road

    2645 ft · 1 min · Paris Gravel Road

  14. 14

    Keep slight right to continue on County Road 422

    85 m · 9 sec · County Road 422

  15. 15

    Turn right onto Veterans Road

    2.2 mi · 4 min · Veterans Road

  16. 16

    Take the ramp left toward US 36 West, MO 110 West: Monroe City

    1226 ft · 16 sec

  17. 17

    Merge slight left onto V.F.W. Memorial Highway

    5.8 mi · 7 min · V.F.W. Memorial Highway

  18. 18

    Continue on Chicago-Kansas City Expressway

    111.4 mi · 2 hr 9 min · Chicago-Kansas City Expressway

  19. 19

    Take the exit slight right toward US 65, US 36 Business: Chillicothe, Carrollton

    975 ft · 28 sec

  20. 20

    Turn right onto South Washington Street

    22.8 mi · 37 min · South Washington Street

  21. 21

    Turn slight right

    1372 ft · 56 sec

  22. 22

    Turn left onto 10th Street

    698 ft · 14 sec · 10th Street

  23. 23

    Continue on East 9th Street

    1.3 mi · 2 min · East 9th Street

  24. 24

    Turn right onto Main Street

    656 ft · 13 sec · Main Street

  25. 25

    Turn left onto Mable Street

    1020 ft · 21 sec · Mable Street

  26. 26

    Arrive at your destination

    0 m · 1 sec · Mable Street

Car Route Details

A richer read on the saved driving route between Florissant and Trenton.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
26 steps
9 turns on the saved route
Ramps & Exits
10
4 merges, 6 ramps or exits
Navigation Density
10.5 / 100 mi
Decision points by distance
Main Roads
Chicago-Kansas City Expressway
111 mi · 45%
Avenue of the Saints
73.3 mi · 29%
South Washington Street
22.8 mi · 9%
I 70 West
22.1 mi · 9%
V.F.W. Memorial Highway
5.84 mi · 2%
Rosemary Straub Davison Highway
3.75 mi · 2%
Longest Stretch

Chicago-Kansas City Expressway

Continue on Chicago-Kansas City Expressway

111 mi · 02h 09m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
05h 08m
Long day trip
Same-Day Return
10h 18m
Round-trip wheel time
Road vs Air
+51.7 mi
197 mi direct line
Halfway Stop
Monroe City
02h 34m from Florissant
Leave By
6:42 AM CDT
Early departure recommended
Weather Watch

Slight Chance Rain Showers leaving Florissant and Partly Cloudy near Trenton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Florissant to Trenton?

The road trip is about 248.7 miles (400.2 km) and usually takes 05h 08m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Monroe City is a useful midpoint, sitting about 124.2 miles from Florissant and 124.5 miles from Trenton.

How much longer is the road route than the straight-line distance?

The direct path is about 197 miles (317.1 km), while the road route adds roughly 51.7 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 6:42 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $33.11 one way or $66.22 round trip. Estimated CO2 is about 78 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers around Florissant and Partly Cloudy near Trenton.

Stop Ideas Near Monroe City

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Monroe City, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Monroe City.

RAIL

Quincy

46 mi away
North 30th St. and Wisman Lane
RAIL

La Plata

77 mi away
535 N. Owensby St.
RAIL

Hermann

108 mi away
Wharf & Gutenberg Sts.
RAIL

Fort Madison station

113 mi away
1601 20th Street

Flight Path Map

This map shows the direct air route between Florissant and Trenton. Straight-line distance: 197.06 mi (317.14 km).

Florissant

#1 Florissant

The most populous city in St.

Population50,795
Coordinates38.7892200, -90.3226100
Altitude175
CountryUnited States
Trenton

#2 Trenton

City in Missouri

Population5,620
Coordinates40.0789000, -93.6166100
Altitude256
CountryUnited States
Start: Florissant (-90.32261, 38.78922)
End: Trenton (-93.61661, 40.0789)

Estimated Travel Time

Distance: 400 km by road

SpeedTime
30 mph (48.3 km/h)08h 17m
40 mph (64.37 km/h)06h 13m
50 mph (80.47 km/h)04h 58m
60 mph (96.56 km/h)04h 08m
70 mph (112.65 km/h)03h 33m
80 mph (129 km/h)03h 06m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.78 gal
33.22 L · about $33.11
Round trip
$66.22
17.56 gal · 66.44 L
Estimated CO2
78 kg one way
Round trip: 156.1 kg / 344 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $33.11 $66.22
Mid-grade $4.25 $37.34 $74.68
Premium $4.65 $40.86 $81.72
Diesel $5.30 $46.57 $93.14

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 29, 2026

There is no time difference between Florissant and Trenton. The current time is 15:13:11.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.