How far is Port Lavaca, TX from McKinney, TX?
The driving distance from Port Lavaca, TX to McKinney, TX is about 357.2 miles (574.8 km), with a travel time of about 06h 06m by car.
- The straight-line flight distance is about 316.7 miles (509.6 km).
- For a round trip, plan for roughly 12h 13m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 06m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Milam County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Port Lavaca and McKinney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Lavaca and McKinney.
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1
Start on East Main Street
6.1 mi · 8 min · East Main Street
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2
Turn straight
20.9 mi · 25 min
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3
Turn right onto North Navarro Street
6.5 mi · 10 min · North Navarro Street
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4
Continue straight
38 mi · 43 min
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5
At the end of the road, turn right onto Fairwinds Street
2010 ft · 26 sec · Fairwinds Street
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6
Continue on West 4th Street
1366 ft · 25 sec · West 4th Street
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7
Turn left onto North Texana Street
1.4 mi · 2 min · North Texana Street
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8
Continue on United States Highway 77
1141 ft · 15 sec · United States Highway 77
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9
Continue on US 77
6.8 mi · 8 min · US 77
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10
Continue on United States Highway 77
24.7 mi · 28 min · United States Highway 77
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11
Continue on South Jefferson Street
2.7 mi · 3 min · South Jefferson Street
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12
Continue on North US Highway 77
17.3 mi · 20 min · North US Highway 77
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13
Continue on South Main Street
48 mi · 57 min · South Main Street
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14
At the end of the road, turn left
3.6 mi · 4 min
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15
Turn right onto North Travis Avenue
48.6 mi · 56 min · North Travis Avenue
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16
Enter the roundabout and take exit 2 toward The Circle
65 m · 11 sec · Circle Road
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17
Exit the rotary onto Circle Road
1974 ft · 54 sec · Circle Road
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18
Turn straight onto South Jack Kultgen Expressway
2739 ft · 59 sec · South Jack Kultgen Expressway
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19
Take the ramp straight toward I 35 North, US 77 North
135 m · 11 sec
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20
Continue straight
1419 ft · 35 sec
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21
Merge slight left onto South Jack Kultgen Expressway
3.3 mi · 4 min · South Jack Kultgen Expressway
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22
Continue on Purple Heart Trail
33 mi · 33 min · Purple Heart Trail
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23
Keep slight right to continue on I 35E: Dallas
56.2 mi · 58 min
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24
Take the exit slight right toward I 30 East: Texarkana, Riverfront Boulevard, Griffin Street
2094 ft · 42 sec
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25
Keep slight left to continue on I 35E North, I 30 West: Denton, Fort Worth, Texarkana
129 m · 6 sec
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26
Keep slight right to continue on I 30 East: Texarkana, Convention Center
2206 ft · 33 sec
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27
Keep slight left to continue on I 30 East: Texarkana
117 m · 6 sec
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28
Continue on East R L Thornton Freeway
1.2 km · 1 min · East R L Thornton Freeway
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29
Take the exit slight right toward I 45, US 75: Houston, McKinney
2421 ft · 46 sec
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30
Keep slight left to continue on US 75 North: McKinney
2512 ft · 1 min
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31
Keep slight right to continue on US 75 North: McKinney, Bryan Street East
1697 ft · 27 sec
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32
Merge slight left onto Julius Schepps Freeway
1.2 km · 49 sec · Julius Schepps Freeway
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33
Continue on North Central Expressway
26.6 mi · 29 min · North Central Expressway
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34
Take the exit slight right toward SRT South, TX 5: Sam Rayburn Tollway
1776 ft · 22 sec
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35
Keep slight right
1.2 km · 1 min
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36
Merge slight left
1.5 km · 1 min
-
37
Continue on South McDonald Street
1.6 km · 2 min · South McDonald Street
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38
Turn slight left
86 m · 10 sec
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39
Continue on South Tennessee Street
1.1 mi · 3 min · South Tennessee Street
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40
Arrive at your destination
0 m · 1 sec · North Tennessee Street
Car Route Details
A richer read on the saved driving route between Port Lavaca and McKinney.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 35E
Keep slight right to continue on I 35E: Dallas
56.2 mi · 00h 58m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely leaving Port Lavaca and Slight Chance Showers And Thunderstorms near McKinney.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Lavaca to McKinney?
The road trip is about 357.2 miles (574.8 km) and usually takes 06h 06m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Cameron is a useful midpoint, sitting about 177.2 miles from Port Lavaca and 179.9 miles from McKinney.
How much longer is the road route than the straight-line distance?
The direct path is about 316.7 miles (509.6 km), while the road route adds roughly 40.5 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $47.62 one way or $95.23 round trip. Estimated CO2 is about 112 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms then Showers And Thunderstorms Likely around Port Lavaca and Slight Chance Showers And Thunderstorms near McKinney.
Stop Ideas Near Cameron
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 Cameron.
Temple
Taylor
Bryan, TX
McGregor
Flight Path Map
This map shows the direct air route between Port Lavaca and McKinney. Straight-line distance: 316.63 mi (509.57 km).
#1 Port Lavaca
City in Texas, United States
| Population | 11,671 |
| Coordinates | 28.6150000, -96.6260900 |
| Altitude | 4 |
| 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: 575 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 54m |
| 40 mph (64.37 km/h) | 08h 55m |
| 50 mph (80.47 km/h) | 07h 08m |
| 60 mph (96.56 km/h) | 05h 57m |
| 70 mph (112.65 km/h) | 05h 06m |
| 80 mph (129 km/h) | 04h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $47.62 | $95.23 |
| Mid-grade | $4.25 | $53.58 | $107.15 |
| Premium | $4.59 | $57.85 | $115.69 |
| Diesel | $3.99 | $50.31 | $100.62 |
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 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.