How far is Saint Jo, TX from Plano, TX?
The driving distance from Saint Jo, TX to Plano, TX is about 90.3 miles (145.3 km), with a travel time of about 01h 27m by car.
- The straight-line flight distance is about 66.6 miles (107.2 km).
- For a round trip, plan for roughly 02h 54m 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 01h 27m.
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 Denton County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Saint Jo and Plano.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Jo and Plano.
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1
Start on Broad Street
21.9 mi · 25 min · Broad Street
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2
Turn right onto North Interstate 35
1.3 km · 1 min · North Interstate 35
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3
Take the ramp slight left
984 ft · 24 sec
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4
Merge slight left
29.2 mi · 30 min
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5
Continue on I 35E South: Dallas
9.8 mi · 10 min
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6
Keep slight right to continue on South Stemmons Freeway
10.5 mi · 11 min · South Stemmons Freeway
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7
Take the exit slight right toward PGBT Toll: President George Bush Turnpike
1.2 mi · 2 min
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8
Keep slight right to continue on PGBT Toll East: President George Bush Turnpike
1.2 mi · 1 min
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9
Merge slight left onto President George Bush Turnpike
13.3 mi · 14 min · President George Bush Turnpike
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10
Take the exit slight right
1138 ft · 28 sec
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11
Keep slight left to continue on US 75 North: McKinney
1 km · 1 min
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12
Turn slight right onto 15th Street
1331 ft · 33 sec
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13
Turn straight onto Central Expressway
2304 ft · 49 sec · Central Expressway
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14
Turn right onto East 15th Street
3101 ft · 1 min · East 15th Street
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15
Arrive at your destination
0 m · 1 sec · East 15th Street
Car Route Details
A richer read on the saved driving route between Saint Jo 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 Interstate 35
Merge slight left
29.2 mi · 00h 30m
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.
Chance Showers And Thunderstorms leaving Saint Jo and 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 Saint Jo to Plano?
The road trip is about 90.3 miles (145.3 km) and usually takes 01h 27m 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?
Sanger is a useful midpoint, sitting about 45 miles from Saint Jo and 45.2 miles from Plano.
How much longer is the road route than the straight-line distance?
The direct path is about 66.6 miles (107.2 km), while the road route adds roughly 23.7 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 3:36 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.06 one way or $24.11 round trip. Estimated CO2 is about 28.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Saint Jo and Chance Showers And Thunderstorms near Plano.
Stop Ideas Near Sanger
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 Sanger.
Gainesville
Fort Worth Central Station
Union Station
Dallas, TX
Flight Path Map
This map shows the direct air route between Saint Jo and Plano. Straight-line distance: 66.59 mi (107.17 km).
#1 Saint Jo
City in Montague County, Texas, United States
| Population | 1,032 |
| Coordinates | 33.6948300, -97.5225200 |
| Altitude | 348 |
| 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: 145 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 00m |
| 40 mph (64.37 km/h) | 02h 15m |
| 50 mph (80.47 km/h) | 01h 48m |
| 60 mph (96.56 km/h) | 01h 30m |
| 70 mph (112.65 km/h) | 01h 17m |
| 80 mph (129 km/h) | 01h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $12.06 | $24.11 |
| Mid-grade | $4.25 | $13.56 | $27.13 |
| Premium | $4.59 | $14.65 | $29.29 |
| Diesel | $3.99 | $12.74 | $25.48 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.