How far is Southmayd, TX from Plano, TX?
The driving distance from Southmayd, TX to Plano, TX is about 54.9 miles (88.3 km), with a travel time of about 00h 56m by car.
- The straight-line flight distance is about 42.4 miles (68.2 km).
- For a round trip, plan for roughly 01h 52m 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 56m.
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.
City in Texas, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Southmayd and Plano.
Turn-by-Turn Driving Directions
Step-by-step road directions between Southmayd and Plano.
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1
Start on Belknap Road
118 m · 19 sec · Belknap Road
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2
Turn left onto McElroy Street
1497 ft · 1 min · McElroy Street
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3
Turn left onto State Highway 56
6.3 mi · 7 min · State Highway 56
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4
Continue on West Houston Street
1.8 mi · 3 min · West Houston Street
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5
Continue on West Lamar Street
1.5 km · 1 min · West Lamar Street
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6
Turn right onto South Sam Rayburn Freeway
757 ft · 21 sec · South Sam Rayburn Freeway
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7
Take the ramp slight left
1240 ft · 30 sec
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8
Merge slight left onto South Sam Rayburn Freeway
6.4 mi · 7 min · South Sam Rayburn Freeway
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9
Continue on North Collins Freeway
10.1 mi · 10 min · North Collins Freeway
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10
Continue on North Central Expressway
26.9 mi · 29 min · North Central Expressway
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11
Take the exit slight right toward Park Boulevard, 15th Street
1368 ft · 33 sec
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12
Turn straight onto Central Expressway
1.4 km · 1 min · Central Expressway
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13
Turn left onto West 15th Street
1 km · 1 min · West 15th Street
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14
Arrive at your destination
0 m · 1 sec · East 15th Street
Car Route Details
A richer read on the saved driving route between Southmayd and Plano.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
North Central Expressway
Continue on North Central Expressway
26.9 mi · 00h 29m
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.
Patchy Fog leaving Southmayd and Slight Chance Showers And Thunderstorms near Plano.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Southmayd to Plano?
The road trip is about 54.9 miles (88.3 km) and usually takes 00h 56m 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?
Van Alstyne is a useful midpoint, sitting about 27.5 miles from Southmayd and 27.4 miles from Plano.
How much longer is the road route than the straight-line distance?
The direct path is about 42.4 miles (68.2 km), while the road route adds roughly 12.5 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:38 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.33 one way or $14.66 round trip. Estimated CO2 is about 17.2 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Fog around Southmayd and Slight Chance Showers And Thunderstorms near Plano.
Stop Ideas Near Van Alstyne
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Plaza Park
City of McKinney
Mckinney City Office
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Van Alstyne.
Gainesville
Mesquite, TX
Union Station
Dallas, TX
Flight Path Map
This map shows the direct air route between Southmayd and Plano. Straight-line distance: 42.38 mi (68.2 km).
#1 Southmayd
City in Grayson County, Texas, United States
| Population | 1,176 |
| Coordinates | 33.6303800, -96.7691600 |
| Altitude | 224 |
| Country | United States |
#2 Plano
The second most populous city in Texas and the center of the Dallas-Fort Worth metropolitan area.
| Population | 291,296 |
| Coordinates | 33.0198400, -96.6988900 |
| Altitude | 203 |
| Country | United States |
End: East 15th Street (-96.698873, 33.019694)
Estimated Travel Time
Distance: 88 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 49m |
| 40 mph (64.37 km/h) | 01h 22m |
| 50 mph (80.47 km/h) | 01h 05m |
| 60 mph (96.56 km/h) | 00h 54m |
| 70 mph (112.65 km/h) | 00h 47m |
| 80 mph (129 km/h) | 00h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $7.33 | $14.66 |
| Mid-grade | $4.25 | $8.25 | $16.50 |
| Premium | $4.59 | $8.91 | $17.81 |
| Diesel | $3.99 | $7.75 | $15.49 |
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.