How far is St. Louis, MO from Palmyra, MO?
The driving distance from St. Louis, MO to Palmyra, MO is about 126 miles (202.8 km), with a travel time of about 02h 36m by car.
- The straight-line flight distance is about 107.4 miles (172.8 km).
- For a round trip, plan for roughly 05h 13m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 36m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Unincorporated community in Missouri
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between St. Louis and Palmyra.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis and Palmyra.
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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
101.2 mi · 2 hr 1 min · Avenue of the Saints
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6
Take the exit slight left
76 m · 15 sec
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7
Turn left onto Paris Gravel Road
2645 ft · 1 min · Paris Gravel Road
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8
Keep slight right to continue on County Road 422
85 m · 9 sec · County Road 422
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9
Turn right onto Veterans Road
3.2 mi · 6 min · Veterans Road
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10
Turn left
1.7 mi · 2 min
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11
Turn left onto Avenue of the Saints
5.3 mi · 6 min · Avenue of the Saints
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12
Take the exit slight right
2.2 mi · 4 min
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13
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between St. Louis and Palmyra.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Avenue of the Saints
Continue on Avenue of the Saints
101 mi · 02h 01m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving St. Louis and Mostly Sunny near Palmyra.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Louis to Palmyra?
The road trip is about 126 miles (202.8 km) and usually takes 02h 36m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Davis is a useful midpoint, sitting about 63 miles from St. Louis and 63 miles from Palmyra.
How much longer is the road route than the straight-line distance?
The direct path is about 107.4 miles (172.8 km), while the road route adds roughly 18.6 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:16 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.78 one way or $33.56 round trip. Estimated CO2 is about 39.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around St. Louis and Mostly Sunny near Palmyra.
Stop Ideas Near Davis
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 Davis.
Hermann
Washington
Kirkwood
Alton
Flight Path Map
This map shows the direct air route between St. Louis and Palmyra. Straight-line distance: 107.4 mi (172.84 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 Palmyra
City in Marion County, Missouri, United States of America
| Population | 3,578 |
| Coordinates | 39.7942100, -91.5232100 |
| Altitude | 195 |
| Country | United States |
End: Palmyra (-91.52321, 39.79421)
Estimated Travel Time
Distance: 203 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 11m |
| 40 mph (64.37 km/h) | 03h 09m |
| 50 mph (80.47 km/h) | 02h 31m |
| 60 mph (96.56 km/h) | 02h 06m |
| 70 mph (112.65 km/h) | 01h 48m |
| 80 mph (129 km/h) | 01h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $16.78 | $33.56 |
| Mid-grade | $4.25 | $18.93 | $37.85 |
| Premium | $4.65 | $20.71 | $41.42 |
| Diesel | $5.30 | $23.60 | $47.21 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.