How far is St. Louis, MO from Mound City, MO?

The driving distance from St. Louis, MO to Mound City, MO is about 340.3 miles (547.6 km), with a travel time of about 06h 26m by car.

  • The straight-line flight distance is about 288.2 miles (463.8 km).
  • For a round trip, plan for roughly 12h 53m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
340.25 mi
06h 26m
Flight
288.16 mi
463.75 km direct

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

Learn Distance

Choose another destination from St. Louis.

Flight Distance

Direct air line
288.16 mi
Kilometers
463.75 km
Flight Time
00h 34m

Driving Distance

Road route
340.25 mi
Kilometers
547.58 km
Drive Time
06h 26m

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 06h 26m.

Arrival Snapshot
Arrive in Mound City
Thu, Apr 16, 5:52 AM CDT
Return by in St. Louis
Thu, Apr 16, 12:19 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave St. Louis
2026-04-15T23:26
Arrive Mound City
Thu, Apr 16, 5:52 AM CDT
Route Timing
06h 26m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
12:27 PM to 1:57 PM CDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
11:06 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in St. Louis
8:00 PM CDT
Overnight-style route

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
Nelson
MO

City in Saline County, Missouri, United States

From St. Louis
169.9 mi
03h 13m
To Mound City
170.4 mi
03h 13m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Overnight

Isolated Showers And Thunderstorms

Starts
Wed, Apr 15 12:00 AM CDT
Wind
10 mph SW
Destination
81°F
Wednesday

Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms

Starts
Wed, Apr 15 6:00 AM CDT
Wind
10 to 16 mph SSW

Driving Route Map

The map below follows the saved road route between St. Louis and Mound City.

Turn-by-Turn Driving Directions

Step-by-step road directions between St. Louis and Mound City.

  1. 1

    Start on Market Street

    1.6 mi · 3 min · Market Street

  2. 2

    Take the ramp slight left toward I 64 West, US 40 West: Wentzville

    1531 ft · 24 sec

  3. 3

    Merge slight left onto Jack Buck Memorial Highway

    4.3 mi · 6 min · Jack Buck Memorial Highway

  4. 4

    Continue on Daniel Boone Expressway

    5.7 mi · 7 min · Daniel Boone Expressway

  5. 5

    Continue on Avenue of the Saints

    27.8 mi · 34 min · Avenue of the Saints

  6. 6

    Take the exit slight left toward I 70 West, US 40 West: Kansas City

    3047 ft · 1 min

  7. 7

    Merge slight left onto Dwight D Eisenhower Highway

    80.7 mi · 1 hr 35 min · Dwight D Eisenhower Highway

  8. 8

    Continue on Sheriff Roger I. Wilson Memorial Highway

    2 mi · 2 min · Sheriff Roger I. Wilson Memorial Highway

  9. 9

    Continue on Highway Patrol Sgt. Benjamin Booth Memorial Highway

    1.6 mi · 2 min · Highway Patrol Sgt. Benjamin Booth Memorial Highway

  10. 10

    Continue on Dwight D. Eisenhower Highway

    1.8 mi · 2 min · Dwight D. Eisenhower Highway

  11. 11

    Continue on U.S. Submarine Veterans' Memorial Highway

    54.4 mi · 58 min · U.S. Submarine Veterans' Memorial Highway

  12. 12

    Continue on Dwight D. Eisenhower Highway

    52.5 mi · 57 min · Dwight D. Eisenhower Highway

  13. 13

    Continue on Truman/Eisenhower Presidential Highway

    2.7 mi · 3 min · Truman/Eisenhower Presidential Highway

  14. 14

    Continue on Clifton J. Scott Memorial Highway

    1.8 mi · 2 min · Clifton J. Scott Memorial Highway

  15. 15

    Continue on Truman/Eisenhower Presidential Highway

    2.9 mi · 3 min · Truman/Eisenhower Presidential Highway

  16. 16

    Continue on George Brett Super Highway

    1.4 km · 58 sec · George Brett Super Highway

  17. 17

    Take the exit slight right toward I 435 North, US 24 East: Des Moines

    1.1 mi · 2 min

  18. 18

    Merge slight left onto Lamar Hunt Memorial Highway

    7.8 mi · 9 min · Lamar Hunt Memorial Highway

  19. 19

    Continue on I435 N

    1.3 mi · 1 min · I435 N

  20. 20

    Continue straight

    20.9 mi · 22 min

  21. 21

    Keep slight left to continue on I 29 North, US 71 North: Saint Joseph

    37.1 mi · 40 min

  22. 22

    Continue straight

    30 mi · 32 min

  23. 23

    Take the exit slight right toward MO 118: Mound City

    1040 ft · 20 sec

  24. 24

    Turn right

    903 ft · 21 sec

  25. 25

    Turn right onto State Street

    1294 ft · 49 sec · State Street

  26. 26

    Turn left

    30 m · 7 sec

  27. 27

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between St. Louis and Mound City.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
27 steps
3 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
7.9 / 100 mi
Decision points by distance
Main Roads
Dwight D Eisenhower Highway
80.7 mi · 24%
I 29 North
67.1 mi · 20%
U.S. Submarine Veterans' Memorial Highway
54.4 mi · 16%
Dwight D. Eisenhower Highway
54.3 mi · 16%
Avenue of the Saints
27.8 mi · 8%
I435 N
22.1 mi · 7%
Longest Stretch

Dwight D Eisenhower Highway

Merge slight left onto Dwight D Eisenhower Highway

80.7 mi · 01h 35m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
06h 26m
Overnight route
Same-Day Return
12h 54m
Round-trip wheel time
Road vs Air
+52.1 mi
288.2 mi direct line
Halfway Stop
Nelson
03h 13m from St. Louis
Leave By
11:06 PM CDT
Overnight-style route
Weather Watch

Isolated Showers And Thunderstorms leaving St. Louis and Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms near Mound City.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from St. Louis to Mound City?

The road trip is about 340.3 miles (547.6 km) and usually takes 06h 26m in normal driving conditions.

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

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Nelson is a useful midpoint, sitting about 169.9 miles from St. Louis and 170.4 miles from Mound City.

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

The direct path is about 288.2 miles (463.8 km), while the road route adds roughly 52.1 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $45.29 one way or $90.58 round trip. Estimated CO2 is about 106.7 kg one way.

What should you check before leaving?

Before you leave, expect Isolated Showers And Thunderstorms around St. Louis and Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms near Mound City.

Stop Ideas Near Nelson

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

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

RAIL

Sedalia

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

Warrensburg

66 mi away
100 South Holden St.
RAIL

Jefferson City

88 mi away
101 Jefferson Street
RAIL

Lee's Summit

117 mi away
217 SW Main St.

Flight Path Map

This map shows the direct air route between St. Louis and Mound City. Straight-line distance: 288.16 mi (463.75 km).

St. Louis

#1 St. Louis

The second most populous city in Missouri and the center of the St.

Population315,685
Coordinates38.6272700, -90.1978900
Altitude142
CountryUnited States
Photo coming soon

#2 Mound City

City in Missouri

Population1,039
Coordinates40.1311100, -95.2316400
Altitude271
CountryUnited States
Start: St. Louis (-90.19789, 38.62727)
End: Mound City (-95.23164, 40.13111)

Estimated Travel Time

Distance: 548 km by road

SpeedTime
30 mph (48.3 km/h)11h 20m
40 mph (64.37 km/h)08h 30m
50 mph (80.47 km/h)06h 48m
60 mph (96.56 km/h)05h 40m
70 mph (112.65 km/h)04h 51m
80 mph (129 km/h)04h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.01 gal
45.45 L · about $45.29
Round trip
$90.58
24.02 gal · 90.9 L
Estimated CO2
106.7 kg one way
Round trip: 213.5 kg / 471 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $45.29 $90.58
Mid-grade $4.25 $51.08 $102.16
Premium $4.65 $55.89 $111.79
Diesel $5.30 $63.70 $127.40

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 16, 2026

There is no time difference between St. Louis and Mound City. The current time is 23:26:18.

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.