How far is O'Fallon, MO from Peculiar, MO?

The driving distance from O'Fallon, MO to Peculiar, MO is about 235.5 miles (379 km), with a travel time of about 04h 29m by car.

  • The straight-line flight distance is about 202.6 miles (326 km).
  • For a round trip, plan for roughly 08h 58m 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
235.48 mi
04h 29m
Flight
202.58 mi
326.02 km direct

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

Learn Distance

Choose another destination from O'Fallon.

Flight Distance

Direct air line
202.58 mi
Kilometers
326.02 km
Flight Time
00h 24m

Driving Distance

Road route
235.48 mi
Kilometers
378.97 km
Drive Time
04h 29m

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 04h 29m.

Arrival Snapshot
Arrive in Peculiar
Tue, May 5, 3:29 PM CDT
Return by in O'Fallon
Tue, May 5, 7:59 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave O'Fallon
2026-05-05T11:00
Arrive Peculiar
Tue, May 5, 3:29 PM CDT
Route Timing
04h 29m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:29 AM to 12:29 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
8:02 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in O'Fallon
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
Boonville
MO

City in Cooper County, Missouri, USA

From O'Fallon
117.5 mi
02h 14m
To Peculiar
117.9 mi
02h 14m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
64°F
Tuesday

Showers And Thunderstorms

Starts
Tue, May 5 6:00 AM CDT
Wind
7 to 12 mph SW
Destination
61°F
Tuesday

Showers And Thunderstorms

Starts
Tue, May 5 6:00 AM CDT
Wind
9 to 14 mph NNE

Driving Route Map

The map below follows the saved road route between O'Fallon and Peculiar.

Turn-by-Turn Driving Directions

Step-by-step road directions between O'Fallon and Peculiar.

  1. 1

    Start on the route

    8 m · 7 sec

  2. 2

    Turn left onto South Main Street

    3116 ft · 2 min · South Main Street

  3. 3

    Turn left onto I 70 East

    10 m · 6 sec

  4. 4

    Turn sharp left onto South Main Street

    87 m · 11 sec · South Main Street

  5. 5

    Turn left onto West Terra Lane

    576 ft · 12 sec · West Terra Lane

  6. 6

    Take the ramp straight toward I 70 West

    146 m · 7 sec

  7. 7

    Merge slight left

    200.7 mi · 3 hr 46 min

  8. 8

    Continue on Truman/Eisenhower Presidential Highway

    1.6 mi · 2 min · Truman/Eisenhower Presidential Highway

  9. 9

    Take the exit slight right toward I 470 South, MO 291 South: Lee's Summit

    1418 ft · 40 sec

  10. 10

    Merge slight left

    6.4 mi · 8 min

  11. 11

    Keep slight right to continue on I 470 South: Wichita

    9.2 mi · 11 min

  12. 12

    Take the exit slight left toward I 49, I 435 North, US 71: Joplin, Kansas City, Des Moines

    635 ft · 16 sec

  13. 13

    Keep slight left to continue on I 49 South, US 71 South: Joplin

    2610 ft · 53 sec

  14. 14

    Keep slight left to continue on I 49 South, US 71 South: Joplin

    701 ft · 17 sec

  15. 15

    Merge slight left

    15.1 mi · 17 min

  16. 16

    Take the exit slight right toward MO J, MO C: Peculiar

    1081 ft · 27 sec

  17. 17

    Turn right

    2140 ft · 48 sec

  18. 18

    Turn left

    149 m · 42 sec

  19. 19

    Turn left

    34 m · 8 sec

  20. 20

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between O'Fallon and Peculiar.

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
20 steps
7 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
8.5 / 100 mi
Decision points by distance
Main Roads
I 70 West
201 mi · 85%
I 470 South
15.8 mi · 7%
I 49 South
15.8 mi · 7%
Truman/Eisenhower Presidential Highway
1.55 mi · 1%
South Main Street
0.64 mi
MO J
0.21 mi
Longest Stretch

I 70 West

Merge slight left

201 mi · 03h 46m

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
04h 29m
Long day trip
Same-Day Return
08h 58m
Round-trip wheel time
Road vs Air
+32.9 mi
202.6 mi direct line
Halfway Stop
Boonville
02h 14m from O'Fallon
Leave By
8:02 AM CDT
Early departure recommended
Weather Watch

Showers And Thunderstorms leaving O'Fallon and Showers And Thunderstorms near Peculiar.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from O'Fallon to Peculiar?

The road trip is about 235.5 miles (379 km) and usually takes 04h 29m 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?

Boonville is a useful midpoint, sitting about 117.5 miles from O'Fallon and 117.9 miles from Peculiar.

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

The direct path is about 202.6 miles (326 km), while the road route adds roughly 32.9 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 8:02 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $31.34 one way or $62.67 round trip. Estimated CO2 is about 73.9 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around O'Fallon and Showers And Thunderstorms near Peculiar.

Stop Ideas Near Boonville

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

Mid-route Guidance
Local place coverage is thin around Boonville, 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 Boonville.

RAIL

Sedalia

51 mi away
100 block of Main Street, through parking lot
RAIL

Jefferson City

66 mi away
101 Jefferson Street
RAIL

Warrensburg

89 mi away
100 South Holden St.
RAIL

Hermann

117 mi away
Wharf & Gutenberg Sts.

Flight Path Map

This map shows the direct air route between O'Fallon and Peculiar. Straight-line distance: 202.58 mi (326.02 km).

O'Fallon

#1 O'Fallon

The most populous city in St.

Population89,769
Coordinates38.8106100, -90.6998500
Altitude165
CountryUnited States
Peculiar

#2 Peculiar

City in Cass County, Missouri, United States

Population5,660
Coordinates38.7191800, -94.4585600
Altitude302
CountryUnited States
Start: O'Fallon (-90.69985, 38.81061)
End: Peculiar (-94.45856, 38.71918)

Estimated Travel Time

Distance: 379 km by road

SpeedTime
30 mph (48.3 km/h)07h 50m
40 mph (64.37 km/h)05h 53m
50 mph (80.47 km/h)04h 42m
60 mph (96.56 km/h)03h 55m
70 mph (112.65 km/h)03h 21m
80 mph (129 km/h)02h 56m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.31 gal
31.45 L · about $31.34
Round trip
$62.67
16.62 gal · 62.9 L
Estimated CO2
73.9 kg one way
Round trip: 147.7 kg / 326 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $31.34 $62.67
Mid-grade $4.25 $35.34 $70.68
Premium $4.65 $38.67 $77.35
Diesel $5.30 $44.08 $88.15

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 05, 2026

There is no time difference between O'Fallon and Peculiar. The current time is 11:00:07.

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.