How far is Saint Peters, MO from Rock Port, MO?
The driving distance from Saint Peters, MO to Rock Port, MO is about 338.3 miles (544.5 km), with a travel time of about 06h 19m by car.
- The straight-line flight distance is about 283.1 miles (455.6 km).
- For a round trip, plan for roughly 12h 39m 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 19m.
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.
Human settlement in Lafayette County, Missouri, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Saint Peters and Rock Port.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Peters and Rock Port.
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1
Start on the route
204.9 mi · 3 hr 51 min
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2
Continue on Truman/Eisenhower Presidential Highway
2.7 mi · 3 min · Truman/Eisenhower Presidential Highway
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3
Continue on Clifton J. Scott Memorial Highway
1.8 mi · 2 min · Clifton J. Scott Memorial Highway
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4
Continue on Truman/Eisenhower Presidential Highway
2.9 mi · 3 min · Truman/Eisenhower Presidential Highway
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5
Continue on George Brett Super Highway
1.4 km · 58 sec · George Brett Super Highway
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6
Take the exit slight right toward I 435 North, US 24 East: Des Moines
1.1 mi · 2 min
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7
Merge slight left onto Lamar Hunt Memorial Highway
7.8 mi · 9 min · Lamar Hunt Memorial Highway
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8
Continue on I435 N
1.3 mi · 1 min · I435 N
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9
Continue straight
20.9 mi · 22 min
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10
Keep slight left to continue on I 29 North, US 71 North: Saint Joseph
37.1 mi · 40 min
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11
Continue straight
53.5 mi · 57 min
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12
Take the exit slight right toward MO 111: Langdon, Rock Port
1454 ft · 27 sec
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13
Turn right onto Lewis & Clark Trail
2.5 mi · 3 min · Lewis & Clark Trail
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14
Continue on South Main Street
1.1 km · 2 min · South Main Street
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15
Turn left onto West Clay Street
637 ft · 30 sec · West Clay Street
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16
Turn right onto South Nebraska Street
26 m · 4 sec · South Nebraska Street
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17
Arrive at your destination
0 m · 1 sec · South Nebraska Street
Car Route Details
A richer read on the saved driving route between Saint Peters and Rock Port.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Longest stretch
Start on the route
205 mi · 03h 51m
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.
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms leaving Saint Peters 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 Saint Peters to Rock Port?
The road trip is about 338.3 miles (544.5 km) and usually takes 06h 19m 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?
Aullville is a useful midpoint, sitting about 169 miles from Saint Peters and 169.4 miles from Rock Port.
How much longer is the road route than the straight-line distance?
The direct path is about 283.1 miles (455.6 km), while the road route adds roughly 55.2 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 $45.03 one way or $90.05 round trip. Estimated CO2 is about 106.1 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms around Saint Peters and Mostly Sunny near Rock Port.
Stop Ideas Near Aullville
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 Aullville.
Warrensburg
Sedalia
Lee's Summit
Independence
Flight Path Map
This map shows the direct air route between Saint Peters and Rock Port. Straight-line distance: 283.07 mi (455.56 km).
#1 Saint Peters
The most populous city in St.
| Population | 58,043 |
| Coordinates | 38.8003300, -90.6265100 |
| Altitude | 134 |
| 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: 545 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 16m |
| 40 mph (64.37 km/h) | 08h 27m |
| 50 mph (80.47 km/h) | 06h 46m |
| 60 mph (96.56 km/h) | 05h 38m |
| 70 mph (112.65 km/h) | 04h 50m |
| 80 mph (129 km/h) | 04h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $45.03 | $90.05 |
| Mid-grade | $4.25 | $50.78 | $101.56 |
| Premium | $4.65 | $55.57 | $111.14 |
| Diesel | $5.30 | $63.33 | $126.66 |
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.