The journey from Alice to Harlingen spans approximately 105 miles through the heart of the Rio Grande Valley. Driving via US-77 South is the most efficient route, typically taking 1 hour and 50 minutes. You will pass through rural landscapes and agricultural hubs like Riviera and Sarita. This route is primarily a two-lane highway with occasional passing lanes. Expect minimal traffic congestion outside of peak holiday weekends. The terrain is flat, characteristic of the South Texas coastal plains.
Total Distance: 169 km driving distance; 155 km straight-line air distance.
Watch for speed limit changes in small towns like Riviera.
November through March, when temperatures are mild and humidity is lower.