How far is Mills River, NC from Cary, NC?
The driving distance from Mills River, NC to Cary, NC is about 257.9 miles (415 km), with a travel time of about 03h 55m by car.
- The straight-line flight distance is about 214.5 miles (345.2 km).
- For a round trip, plan for roughly 07h 50m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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 03h 55m.
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 Davie County, North Carolina, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Mills River and Cary.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mills River and Cary.
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1
Start on the route
5 m · 3 sec
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2
Turn left
17 m · 7 sec
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3
Turn right onto Boylston Highway
4.1 mi · 5 min · Boylston Highway
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4
Continue on New Airport Road
1.4 km · 1 min · New Airport Road
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5
Continue on Airport Road
1.8 mi · 3 min · Airport Road
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6
Continue on Sweeten Creek Road
6.8 mi · 12 min · Sweeten Creek Road
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7
Take the ramp right
1170 ft · 29 sec
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8
Merge slight left
159.8 mi · 3 hr 2 min
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9
Keep slight right to continue on I 40 East: Greensboro, Martinsville
7.8 mi · 10 min
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10
Merge slight right
1.8 mi · 2 min
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11
Keep slight left
36.8 mi · 43 min
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12
Keep slight right to continue on I 40 East: Raleigh
28.8 mi · 33 min
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13
Take the exit slight right toward Cary
1091 ft · 23 sec
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14
Turn right onto North Harrison Avenue
3.1 mi · 6 min · North Harrison Avenue
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15
Turn left onto Chapel Hill Road
625 ft · 24 sec · Chapel Hill Road
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16
Turn left onto North Academy Street
7 m · 1 sec · North Academy Street
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17
Arrive at your destination
0 m · 1 sec · North Academy Street
Car Route Details
A richer read on the saved driving route between Mills River and Cary.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Sweeten Creek Road
Merge slight left
160 mi · 03h 02m
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.
Clear leaving Mills River and Sunny near Cary.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mills River to Cary?
The road trip is about 257.9 miles (415 km) and usually takes 03h 55m 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?
Mocksville is a useful midpoint, sitting about 125.9 miles from Mills River and 132 miles from Cary.
How much longer is the road route than the straight-line distance?
The direct path is about 214.5 miles (345.2 km), while the road route adds roughly 43.4 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 EDT. If you want a more comfortable same-day return, try to leave by 9:10 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.05 one way or $72.09 round trip. Estimated CO2 is about 80.9 kg one way.
What should you check before leaving?
Before you leave, expect Clear around Mills River and Sunny near Cary.
Stop Ideas Near Mocksville
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 Mocksville.
Salisbury
Lexington
Winston-Salem, North Carolina
Winston-Salem State Univ, Winston-Salem, North Car
Flight Path Map
This map shows the direct air route between Mills River and Cary. Straight-line distance: 214.5 mi (345.21 km).
#1 Mills River
Township in Henderson County, North Carolina
| Population | 7,471 |
| Coordinates | 35.3884500, -82.5667900 |
| Altitude | 639 |
| Country | United States |
#2 Cary
Town in North Carolina, United States
| Population | 173,587 |
| Coordinates | 35.7915400, -78.7811200 |
| Altitude | 152 |
| Country | United States |
End: North Academy Street (-78.781127, 35.79154)
Estimated Travel Time
Distance: 415 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 35m |
| 40 mph (64.37 km/h) | 06h 26m |
| 50 mph (80.47 km/h) | 05h 09m |
| 60 mph (96.56 km/h) | 04h 17m |
| 70 mph (112.65 km/h) | 03h 41m |
| 80 mph (129 km/h) | 03h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $36.05 | $72.09 |
| Mid-grade | $4.43 | $40.30 | $80.61 |
| Premium | $4.78 | $43.48 | $86.96 |
| Diesel | $5.62 | $51.18 | $102.36 |
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 North Carolina · 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.