How far is Seagoville, TX from McKinney, TX?
The driving distance from Seagoville, TX to McKinney, TX is about 49.1 miles (79 km), with a travel time of about 00h 53m by car.
- The straight-line flight distance is about 38.8 miles (62.5 km).
- For a round trip, plan for roughly 01h 47m 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 00h 53m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
The fourth most populous city in Dallas County, Texas.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Seagoville and McKinney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seagoville and McKinney.
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1
Start on South Kaufman Street
31 m · 6 sec · South Kaufman Street
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2
Turn right onto East Malloy Bridge Road
3236 ft · 1 min · East Malloy Bridge Road
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3
Turn left onto North Highway 175
693 ft · 15 sec · North Highway 175
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4
Take the ramp slight left toward US 175 West
635 ft · 16 sec
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5
Merge slight left
6.1 mi · 7 min
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6
Take the exit slight right toward I 20 East, I 635 North
1732 ft · 42 sec
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7
Merge slight left onto Lyndon B Johnson Freeway
750 ft · 9 sec · Lyndon B Johnson Freeway
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8
Keep slight right to continue on Lyndon B Johnson Freeway
18.7 mi · 20 min · Lyndon B Johnson Freeway
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9
Continue on Lyndon B. Johnson Freeway
737 ft · 9 sec · Lyndon B. Johnson Freeway
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10
Take the exit slight right toward US 75 South, US 75 North: Dallas, McKinney
1.5 km · 2 min
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11
Keep slight right to continue on US 75 North: McKinney
1 km · 55 sec
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12
Merge slight left onto North Central Expressway
16.8 mi · 18 min · North Central Expressway
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13
Take the exit slight right toward SRT South, TX 5: Sam Rayburn Tollway
1776 ft · 22 sec
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14
Keep slight right
1.2 km · 1 min
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15
Merge slight left
1.5 km · 1 min
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16
Continue on South McDonald Street
1.6 km · 2 min · South McDonald Street
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17
Turn slight left
86 m · 10 sec
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18
Continue on South Tennessee Street
1.1 mi · 3 min · South Tennessee Street
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19
Arrive at your destination
0 m · 1 sec · North Tennessee Street
Car Route Details
A richer read on the saved driving route between Seagoville and McKinney.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Lyndon B Johnson Freeway
Keep slight right to continue on Lyndon B Johnson Freeway
18.7 mi · 00h 20m
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.
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms leaving Seagoville 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 Seagoville to McKinney?
The road trip is about 49.1 miles (79 km) and usually takes 00h 53m 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?
Richardson is a useful midpoint, sitting about 24.4 miles from Seagoville and 24.7 miles from McKinney.
How much longer is the road route than the straight-line distance?
The direct path is about 38.8 miles (62.5 km), while the road route adds roughly 10.3 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:42 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.54 one way or $13.08 round trip. Estimated CO2 is about 15.4 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms around Seagoville and Slight Chance Showers And Thunderstorms near McKinney.
Stop Ideas Near Richardson
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Anju
Clifford E 'Bill' Hall Park
Dallas Environmental Quality
Dallas City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Richardson.
Dallas, TX
Mesquite, TX
Union Station
Fort Worth Central Station
Flight Path Map
This map shows the direct air route between Seagoville and McKinney. Straight-line distance: 38.82 mi (62.47 km).
#1 Seagoville
City in Texas
| Population | 17,178 |
| Coordinates | 32.6395800, -96.5383200 |
| Altitude | 134 |
| 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: 79 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 38m |
| 40 mph (64.37 km/h) | 01h 13m |
| 50 mph (80.47 km/h) | 00h 58m |
| 60 mph (96.56 km/h) | 00h 49m |
| 70 mph (112.65 km/h) | 00h 42m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $6.54 | $13.08 |
| Mid-grade | $4.25 | $7.36 | $14.71 |
| Premium | $4.59 | $7.94 | $15.88 |
| Diesel | $3.99 | $6.91 | $13.82 |
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.