How far is Smyrna, TN from Dayton, TN?
The driving distance from Smyrna, TN to Dayton, TN is about 251.7 miles (405.1 km), with a travel time of about 05h 14m by car.
- The straight-line flight distance is about 188.9 miles (304 km).
- For a round trip, plan for roughly 10h 29m 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 05h 14m.
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.
Human settlement in Rutherford County, Tennessee, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Smyrna and Dayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Smyrna and Dayton.
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1
Start on Buck Ditch Road
18 m · 5 sec · Buck Ditch Road
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2
Turn left onto Smyrna Road
2 mi · 8 min · Smyrna Road
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3
At the end of the road, turn right onto Buena Vista Road
2.5 mi · 6 min · Buena Vista Road
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4
At the end of the road, turn left
4.1 mi · 7 min
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5
At the end of the road, turn right onto Broad Street
2.4 mi · 4 min · Broad Street
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6
Continue on Broadway of America
5.4 mi · 8 min · Broadway of America
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7
Turn right
1.6 mi · 2 min
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8
Turn right
13.8 mi · 16 min
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9
Take the exit slight left
1318 ft · 32 sec
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10
Merge slight left
50.1 mi · 54 min
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11
Take the exit slight right toward I 840 East: Knoxville, Franklin
1.1 km · 1 min
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12
Merge slight left onto Tennessee National Guard Parkway
52.2 mi · 56 min · Tennessee National Guard Parkway
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13
Take the exit slight right toward I 24 East: Chattanooga
1.3 km · 2 min
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14
Merge slight left
6.2 mi · 7 min
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15
Take the exit slight right toward US 231 North: Murfreesboro
1308 ft · 37 sec
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16
Merge slight left onto South Church Street
2935 ft · 44 sec · South Church Street
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17
Turn right onto South Rutherford Boulevard
3.8 mi · 5 min · South Rutherford Boulevard
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18
Turn right onto John Bragg Highway
15.6 mi · 19 min · John Bragg Highway
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19
Continue on West Main Street
1 mi · 3 min · West Main Street
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20
Continue on McMinnville Highway
8.2 mi · 11 min · McMinnville Highway
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21
Continue on Nashville Highway
10.1 mi · 12 min · Nashville Highway
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22
Continue on West Main Street
2.1 mi · 3 min · West Main Street
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23
Continue on West Main Street
94 m · 12 sec · West Main Street
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24
Continue on West Main Street
1874 ft · 41 sec · West Main Street
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25
Continue on East Main Street
1884 ft · 43 sec · East Main Street
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26
At the end of the road, turn left onto Beersheba Highway
1.3 mi · 2 min · Beersheba Highway
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27
Turn slight left onto Harrison Ferry Road
12.3 mi · 17 min · Harrison Ferry Road
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28
Continue on State Highway 8
7.3 mi · 10 min · State Highway 8
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29
At the end of the road, turn right
12.6 mi · 17 min
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30
Continue straight
11.5 mi · 14 min
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31
Continue straight
5.3 mi · 6 min
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32
Take the exit slight right
1.4 km · 2 min
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33
Merge slight left
15.8 mi · 19 min
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34
Turn left onto 3rd Avenue
946 ft · 23 sec · 3rd Avenue
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35
Turn left onto Church Street
107 m · 18 sec · Church Street
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36
Turn right onto 2nd Avenue
92 m · 13 sec · 2nd Avenue
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37
Arrive at your destination
0 m · 1 sec · 2nd Avenue
Car Route Details
A richer read on the saved driving route between Smyrna and Dayton.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Tennessee National Guard Parkway
Merge slight left onto Tennessee National Guard Parkway
52.2 mi · 00h 56m
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.
Sunny leaving Smyrna and Sunny near Dayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Smyrna to Dayton?
The road trip is about 251.7 miles (405.1 km) and usually takes 05h 14m 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?
Eagleville is a useful midpoint, sitting about 125.6 miles from Smyrna and 126.1 miles from Dayton.
How much longer is the road route than the straight-line distance?
The direct path is about 188.9 miles (304 km), while the road route adds roughly 62.8 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 6:30 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $34.67 one way or $69.34 round trip. Estimated CO2 is about 78.9 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Smyrna and Dayton, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Smyrna and Sunny near Dayton.
Stop Ideas Near Eagleville
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 Eagleville.
Nashville, TN
Clarksville, TN
Flight Path Map
This map shows the direct air route between Smyrna and Dayton. Straight-line distance: 188.9 mi (304 km).
#1 Smyrna
Town in Rutherford County, Tennessee, United States
| Population | 53,185 |
| Coordinates | 35.9564500, -88.3317100 |
| Altitude | 157 |
| Country | United States |
#2 Dayton
City and county seat in Rhea County, Tennessee, United States
| Population | 7,332 |
| Coordinates | 35.4939600, -85.0124500 |
| Altitude | 212 |
| Country | United States |
End: Dayton (-85.01245, 35.49396)
Estimated Travel Time
Distance: 405 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 23m |
| 40 mph (64.37 km/h) | 06h 17m |
| 50 mph (80.47 km/h) | 05h 02m |
| 60 mph (96.56 km/h) | 04h 11m |
| 70 mph (112.65 km/h) | 03h 35m |
| 80 mph (129 km/h) | 03h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.90 | $34.67 | $69.34 |
| Mid-grade | $4.37 | $38.76 | $77.52 |
| Premium | $4.77 | $42.39 | $84.79 |
| Diesel | $6.00 | $53.30 | $106.60 |
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 Tennessee · Oct 15, 2026