How far is Saint Peters, MO from Trenton, MO?
The driving distance from Saint Peters, MO to Trenton, MO is about 230.1 miles (370.3 km), with a travel time of about 04h 43m by car.
- The straight-line flight distance is about 182.4 miles (293.5 km).
- For a round trip, plan for roughly 09h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 04h 43m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Shelby County, Missouri
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Partly Cloudy
Driving Route Map
The map below follows the saved road route between Saint Peters and Trenton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Peters and Trenton.
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1
Start on the route
11.1 mi · 14 min
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2
Take the exit slight right toward US 61 North: Hannibal
2234 ft · 48 sec
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3
Merge slight left onto Avenue of the Saints
73.3 mi · 1 hr 27 min · Avenue of the Saints
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4
Take the exit slight left
76 m · 15 sec
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5
Turn left onto Paris Gravel Road
2645 ft · 1 min · Paris Gravel Road
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6
Keep slight right to continue on County Road 422
85 m · 9 sec · County Road 422
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7
Turn right onto Veterans Road
2.2 mi · 4 min · Veterans Road
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8
Take the ramp left toward US 36 West, MO 110 West: Monroe City
1226 ft · 16 sec
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9
Merge slight left onto V.F.W. Memorial Highway
5.8 mi · 7 min · V.F.W. Memorial Highway
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10
Continue on Chicago-Kansas City Expressway
111.4 mi · 2 hr 9 min · Chicago-Kansas City Expressway
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11
Take the exit slight right toward US 65, US 36 Business: Chillicothe, Carrollton
975 ft · 28 sec
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12
Turn right onto South Washington Street
22.8 mi · 37 min · South Washington Street
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13
Turn slight right
1372 ft · 56 sec
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14
Turn left onto 10th Street
698 ft · 14 sec · 10th Street
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15
Continue on East 9th Street
1.3 mi · 2 min · East 9th Street
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16
Turn right onto Main Street
656 ft · 13 sec · Main Street
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17
Turn left onto Mable Street
1020 ft · 21 sec · Mable Street
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18
Arrive at your destination
0 m · 1 sec · Mable Street
Car Route Details
A richer read on the saved driving route between Saint Peters and Trenton.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
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.
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.
Mostly Cloudy leaving Saint Peters 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 Saint Peters to Trenton?
The road trip is about 230.1 miles (370.3 km) and usually takes 04h 43m 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?
Hunnewell is a useful midpoint, sitting about 115 miles from Saint Peters and 115.1 miles from Trenton.
How much longer is the road route than the straight-line distance?
The direct path is about 182.4 miles (293.5 km), while the road route adds roughly 47.7 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 7:34 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.62 one way or $61.24 round trip. Estimated CO2 is about 72.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Saint Peters and Partly Cloudy near Trenton.
Stop Ideas Near Hunnewell
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 Hunnewell.
Quincy
La Plata
Hermann
Fort Madison station
Flight Path Map
This map shows the direct air route between Saint Peters and Trenton. Straight-line distance: 182.36 mi (293.48 km).
#1 Saint Peters
The most populous city in St.
| Population | 58,043 |
| Coordinates | 38.8003300, -90.6265100 |
| Altitude | 134 |
| Country | United States |
#2 Trenton
City in Missouri
| Population | 5,620 |
| Coordinates | 40.0789000, -93.6166100 |
| Altitude | 256 |
| Country | United States |
End: Trenton (-93.61661, 40.0789)
Estimated Travel Time
Distance: 370 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 40m |
| 40 mph (64.37 km/h) | 05h 45m |
| 50 mph (80.47 km/h) | 04h 36m |
| 60 mph (96.56 km/h) | 03h 50m |
| 70 mph (112.65 km/h) | 03h 17m |
| 80 mph (129 km/h) | 02h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $30.62 | $61.24 |
| Mid-grade | $4.25 | $34.53 | $69.07 |
| Premium | $4.65 | $37.79 | $75.58 |
| Diesel | $5.30 | $43.07 | $86.14 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.