How far is Terrell Hills, TX from McKinney, TX?
The driving distance from Terrell Hills, TX to McKinney, TX is about 323.4 miles (520.4 km), with a travel time of about 05h 05m by car.
- The straight-line flight distance is about 279.1 miles (449.1 km).
- For a round trip, plan for roughly 10h 11m 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 05m.
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 Bell County, Texas
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Mostly Cloudy
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Terrell Hills and McKinney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Terrell Hills and McKinney.
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1
Start on Garraty Road
39 m · 6 sec · Garraty Road
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2
Turn right onto Eldon Road
1.1 km · 2 min · Eldon Road
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3
At the end of the road, turn left onto Rittiman Road
97 m · 16 sec · Rittiman Road
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4
Turn sharp right onto Austin Highway
3.5 mi · 6 min · Austin Highway
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5
Take the ramp straight toward I 410 West, I 35, I 410 South: Austin
159 m · 13 sec
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6
Keep slight right to continue on I 35, I 410 South: Austin
1757 ft · 43 sec
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7
Merge slight left onto Connally Loop
2557 ft · 32 sec · Connally Loop
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8
Keep slight left to continue on I 35 North: Austin
1694 ft · 41 sec
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9
Merge slight left onto North Pan Am Expressway
6.8 mi · 8 min · North Pan Am Expressway
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10
Continue on Purple Heart Trail
11.9 mi · 13 min · Purple Heart Trail
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11
Continue on Interstate Highway 35
1.9 mi · 2 min · Interstate Highway 35
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12
Continue on Purple Heart Trail
47.8 mi · 52 min · Purple Heart Trail
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13
Keep slight right to continue on Purple Heart Trail
95.6 mi · 1 hr 40 min · Purple Heart Trail
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14
Continue on South Jack Kultgen Expressway
6.6 mi · 8 min · South Jack Kultgen Expressway
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15
Continue on Purple Heart Trail
33 mi · 33 min · Purple Heart Trail
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16
Keep slight right to continue on I 35E: Dallas
56.2 mi · 58 min
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17
Take the exit slight right toward I 30 East: Texarkana, Riverfront Boulevard, Griffin Street
2094 ft · 42 sec
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18
Keep slight left to continue on I 35E North, I 30 West: Denton, Fort Worth, Texarkana
129 m · 6 sec
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19
Keep slight right to continue on I 30 East: Texarkana, Convention Center
2206 ft · 33 sec
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20
Keep slight left to continue on I 30 East: Texarkana
117 m · 6 sec
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21
Continue on East R L Thornton Freeway
1.2 km · 1 min · East R L Thornton Freeway
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22
Take the exit slight right toward I 45, US 75: Houston, McKinney
2421 ft · 46 sec
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23
Keep slight left to continue on US 75 North: McKinney
2512 ft · 1 min
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24
Keep slight right to continue on US 75 North: McKinney, Bryan Street East
1697 ft · 27 sec
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25
Merge slight left onto Julius Schepps Freeway
1.2 km · 49 sec · Julius Schepps Freeway
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26
Continue on North Central Expressway
26.6 mi · 29 min · North Central Expressway
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27
Take the exit slight right toward SRT South, TX 5: Sam Rayburn Tollway
1776 ft · 22 sec
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28
Keep slight right
1.2 km · 1 min
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29
Merge slight left
1.5 km · 1 min
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30
Continue on South McDonald Street
1.6 km · 2 min · South McDonald Street
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31
Turn slight left
86 m · 10 sec
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32
Continue on South Tennessee Street
1.1 mi · 3 min · South Tennessee Street
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33
Arrive at your destination
0 m · 1 sec · North Tennessee Street
Car Route Details
A richer read on the saved driving route between Terrell Hills and McKinney.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Purple Heart Trail
Keep slight right to continue on Purple Heart Trail
95.6 mi · 01h 40m
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.
Chance Rain Showers then Mostly Cloudy leaving Terrell Hills and Mostly Sunny near McKinney.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Terrell Hills to McKinney?
The road trip is about 323.4 miles (520.4 km) and usually takes 05h 05m 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?
Troy is a useful midpoint, sitting about 150.2 miles from Terrell Hills and 173.2 miles from McKinney.
How much longer is the road route than the straight-line distance?
The direct path is about 279.1 miles (449.1 km), while the road route adds roughly 44.3 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 6:48 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $43.12 one way or $86.24 round trip. Estimated CO2 is about 101.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Mostly Cloudy around Terrell Hills and Mostly Sunny near McKinney.
Stop Ideas Near Troy
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 Troy.
Temple
McGregor
Killeen, Texas
Waco, TX
Flight Path Map
This map shows the direct air route between Terrell Hills and McKinney. Straight-line distance: 279.08 mi (449.13 km).
#1 Terrell Hills
City in Bexar County, Texas, United States
| Population | 5,451 |
| Coordinates | 29.4749500, -98.4508500 |
| Altitude | 244 |
| Country | United States |
#2 McKinney
The third most populous city in Collin County, Texas.
| Population | 208,272 |
| Coordinates | 33.1976200, -96.6152700 |
| Altitude | 192 |
| Country | United States |
End: North Tennessee Street (-96.61506, 33.19762)
Estimated Travel Time
Distance: 520 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 46m |
| 40 mph (64.37 km/h) | 08h 05m |
| 50 mph (80.47 km/h) | 06h 28m |
| 60 mph (96.56 km/h) | 05h 23m |
| 70 mph (112.65 km/h) | 04h 37m |
| 80 mph (129 km/h) | 04h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $43.12 | $86.24 |
| Mid-grade | $4.25 | $48.52 | $97.03 |
| Premium | $4.59 | $52.38 | $104.77 |
| Diesel | $3.99 | $45.56 | $91.12 |
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 Texas · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.