How far is St. Louis, MO from Rock Port, MO?
The driving distance from St. Louis, MO to Rock Port, MO is about 366.7 miles (590.1 km), with a travel time of about 06h 56m by car.
- The straight-line flight distance is about 309.1 miles (497.4 km).
- For a round trip, plan for roughly 13h 52m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 06h 56m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
City in Saline County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between St. Louis and Rock Port.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis and Rock Port.
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1
Start on Market Street
1.6 mi · 3 min · Market Street
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2
Take the ramp slight left toward I 64 West, US 40 West: Wentzville
1531 ft · 24 sec
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3
Merge slight left onto Jack Buck Memorial Highway
4.3 mi · 6 min · Jack Buck Memorial Highway
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4
Continue on Daniel Boone Expressway
5.7 mi · 7 min · Daniel Boone Expressway
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5
Continue on Avenue of the Saints
27.8 mi · 34 min · Avenue of the Saints
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6
Take the exit slight left toward I 70 West, US 40 West: Kansas City
3047 ft · 1 min
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7
Merge slight left onto Dwight D Eisenhower Highway
80.7 mi · 1 hr 35 min · Dwight D Eisenhower Highway
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8
Continue on Sheriff Roger I. Wilson Memorial Highway
2 mi · 2 min · Sheriff Roger I. Wilson Memorial Highway
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9
Continue on Highway Patrol Sgt. Benjamin Booth Memorial Highway
1.6 mi · 2 min · Highway Patrol Sgt. Benjamin Booth Memorial Highway
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10
Continue on Dwight D. Eisenhower Highway
1.8 mi · 2 min · Dwight D. Eisenhower Highway
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11
Continue on U.S. Submarine Veterans' Memorial Highway
54.4 mi · 58 min · U.S. Submarine Veterans' Memorial Highway
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12
Continue on Dwight D. Eisenhower Highway
52.5 mi · 57 min · Dwight D. Eisenhower Highway
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13
Continue on Truman/Eisenhower Presidential Highway
2.7 mi · 3 min · Truman/Eisenhower Presidential Highway
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14
Continue on Clifton J. Scott Memorial Highway
1.8 mi · 2 min · Clifton J. Scott Memorial Highway
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15
Continue on Truman/Eisenhower Presidential Highway
2.9 mi · 3 min · Truman/Eisenhower Presidential Highway
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16
Continue on George Brett Super Highway
1.4 km · 58 sec · George Brett Super Highway
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17
Take the exit slight right toward I 435 North, US 24 East: Des Moines
1.1 mi · 2 min
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18
Merge slight left onto Lamar Hunt Memorial Highway
7.8 mi · 9 min · Lamar Hunt Memorial Highway
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19
Continue on I435 N
1.3 mi · 1 min · I435 N
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20
Continue straight
20.9 mi · 22 min
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21
Keep slight left to continue on I 29 North, US 71 North: Saint Joseph
37.1 mi · 40 min
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22
Continue straight
53.5 mi · 57 min
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23
Take the exit slight right toward MO 111: Langdon, Rock Port
1454 ft · 27 sec
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24
Turn right onto Lewis & Clark Trail
2.5 mi · 3 min · Lewis & Clark Trail
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25
Continue on South Main Street
1.1 km · 2 min · South Main Street
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26
Turn left onto West Clay Street
637 ft · 30 sec · West Clay Street
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27
Turn right onto South Nebraska Street
26 m · 4 sec · South Nebraska Street
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28
Arrive at your destination
0 m · 1 sec · South Nebraska Street
Car Route Details
A richer read on the saved driving route between St. Louis and Rock Port.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
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.
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.
Sunny leaving St. Louis and Mostly Sunny near Rock Port.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Louis to Rock Port?
The road trip is about 366.7 miles (590.1 km) and usually takes 06h 56m 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?
Sweet Springs is a useful midpoint, sitting about 183.1 miles from St. Louis and 183.6 miles from Rock Port.
How much longer is the road route than the straight-line distance?
The direct path is about 309.1 miles (497.4 km), while the road route adds roughly 57.6 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 $48.80 one way or $97.59 round trip. Estimated CO2 is about 115 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around St. Louis and Mostly Sunny near Rock Port.
Stop Ideas Near Sweet Springs
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 Sweet Springs.
Sedalia
Warrensburg
Lee's Summit
Independence
Flight Path Map
This map shows the direct air route between St. Louis and Rock Port. Straight-line distance: 309.06 mi (497.39 km).
#1 St. Louis
The second most populous city in Missouri and the center of the St.
| Population | 315,685 |
| Coordinates | 38.6272700, -90.1978900 |
| Altitude | 142 |
| Country | United States |
#2 Rock Port
City in Atchison County, Missouri, United States
| Population | 1,183 |
| Coordinates | 40.4111100, -95.5169300 |
| Altitude | 287 |
| Country | United States |
End: Rock Port (-95.51693, 40.41111)
Estimated Travel Time
Distance: 590 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 13m |
| 40 mph (64.37 km/h) | 09h 10m |
| 50 mph (80.47 km/h) | 07h 20m |
| 60 mph (96.56 km/h) | 06h 06m |
| 70 mph (112.65 km/h) | 05h 14m |
| 80 mph (129 km/h) | 04h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $48.80 | $97.59 |
| Mid-grade | $4.25 | $55.03 | $110.07 |
| Premium | $4.65 | $60.22 | $120.45 |
| Diesel | $5.30 | $68.63 | $137.27 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.