How far is Round Top, TX from Mission, TX?
The driving distance from Round Top, TX to Mission, TX is about 329 miles (529.5 km), with a travel time of about 06h 20m by car.
- The straight-line flight distance is about 283.8 miles (456.8 km).
- For a round trip, plan for roughly 12h 40m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CST.
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 20m.
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 Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Round Top and Mission.
Turn-by-Turn Driving Directions
Step-by-step road directions between Round Top and Mission.
-
1
Start on Washington Street
8.4 mi · 12 min · Washington Street
-
2
Continue straight
6.6 mi · 10 min
-
3
At the end of the road, turn right onto East Travis Street
1.5 km · 2 min · East Travis Street
-
4
Turn left onto South Jefferson Street
1.1 km · 47 sec · South Jefferson Street
-
5
Continue on South US Highway 77
24.7 mi · 28 min · South US Highway 77
-
6
Continue on US 77
6.8 mi · 8 min · US 77
-
7
Continue on United States Highway 77
1141 ft · 15 sec · United States Highway 77
-
8
Continue on North Texana Street
1.3 mi · 2 min · North Texana Street
-
9
Turn right onto West 4th Street
1409 ft · 20 sec · West 4th Street
-
10
Continue on Fairwinds Street
2010 ft · 29 sec · Fairwinds Street
-
11
Turn left onto United States Highway 77
39.9 mi · 45 min · United States Highway 77
-
12
Take the exit slight right
85 m · 8 sec
-
13
Turn straight onto Northeast Zac Lentz Parkway
123 m · 8 sec · Northeast Zac Lentz Parkway
-
14
Take the ramp straight
1765 ft · 43 sec
-
15
Merge slight left onto Northeast Zac Lentz Parkway
1.4 mi · 2 min · Northeast Zac Lentz Parkway
-
16
Continue on Northwest Zac Lentz Parkway
11.9 mi · 13 min · Northwest Zac Lentz Parkway
-
17
Take the exit slight right
2991 ft · 1 min
-
18
Turn left
52 m · 7 sec
-
19
Turn right onto US Highway 77 South
34 mi · 39 min · US Highway 77 South
-
20
Turn straight onto Alamo Street
37.1 mi · 43 min · Alamo Street
-
21
Take the exit straight toward I 37, US 77, I 69E
538 ft · 13 sec
-
22
Keep slight left
1965 ft · 48 sec
-
23
Merge slight right
2.5 mi · 2 min
-
24
Take the exit slight right toward I 69E, US 77: Kingsville, Brownsville
28.6 mi · 31 min
-
25
Take the exit slight right toward TX 141
741 ft · 18 sec
-
26
Turn straight onto South US Highway 77 Bypass
774 ft · 25 sec · South US Highway 77 Bypass
-
27
Turn right onto East King Avenue
16.2 mi · 21 min · East King Avenue
-
28
Take the ramp left
1804 ft · 49 sec
-
29
Merge slight left
11 mi · 13 min
-
30
Keep slight left
9.5 mi · 10 min
-
31
Keep slight left to continue on Falfurrias Expressway
55.8 mi · 59 min · Falfurrias Expressway
-
32
Keep slight left
17.6 mi · 19 min
-
33
Take the exit slight right toward US 281 South, TX 495: Pharr
1.3 km · 2 min
-
34
Merge slight right
8.2 mi · 9 min
-
35
Take the exit slight right toward FM 1016, TX 107: Conway Avenue
1598 ft · 39 sec
-
36
Turn straight onto East Expressway 83
1.1 km · 1 min · East Expressway 83
-
37
Turn right onto South Conway Avenue
1.5 km · 1 min · South Conway Avenue
-
38
Turn right onto East 9th Street
116 m · 12 sec · East 9th Street
-
39
Turn left onto Doherty Avenue
128 m · 23 sec · Doherty Avenue
-
40
Turn left onto East Tom Landry Street
75 m · 4 sec · East Tom Landry Street
-
41
Arrive at your destination
0 m · 1 sec · East Tom Landry Street
Car Route Details
A richer read on the saved driving route between Round Top and Mission.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Falfurrias Expressway
Keep slight left to continue on Falfurrias Expressway
55.8 mi · 00h 59m
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 Rain Showers leaving Round Top and Showers And Thunderstorms near Mission.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Round Top to Mission?
The road trip is about 329 miles (529.5 km) and usually takes 06h 20m 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?
Sinton is a useful midpoint, sitting about 164.8 miles from Round Top and 164.2 miles from Mission.
How much longer is the road route than the straight-line distance?
The direct path is about 283.8 miles (456.8 km), while the road route adds roughly 45.2 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 CST. 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 $40.77 one way or $81.55 round trip. Estimated CO2 is about 103.2 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Round Top and Showers And Thunderstorms near Mission.
Flight Path Map
This map shows the direct air route between Round Top and Mission. Straight-line distance: 283.87 mi (456.84 km).
#1 Round Top
Town in Texas
| Population | 93 |
| Coordinates | 30.0652200, -96.6960900 |
| Altitude | 134 |
| Country | United States |
#2 Mission
A city in Hidalgo County, Texas.
| Population | 84,496 |
| Coordinates | 26.2159100, -98.3252900 |
| Altitude | 43 |
| Country | United States |
End: Mission (-98.32529, 26.21591)
Estimated Travel Time
Distance: 529 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 57m |
| 40 mph (64.37 km/h) | 08h 13m |
| 50 mph (80.47 km/h) | 06h 34m |
| 60 mph (96.56 km/h) | 05h 29m |
| 70 mph (112.65 km/h) | 04h 42m |
| 80 mph (129 km/h) | 04h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.51 | $40.77 | $81.55 |
| Mid-grade | $4.03 | $46.77 | $93.53 |
| Premium | $4.41 | $51.19 | $102.38 |
| Diesel | $5.62 | $65.29 | $130.59 |
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 · Nov 08, 2026