San Antonio to Stillwater, OK: Distance, Drive Time, and Route Options

The road distance from San Antonio, Texas to Stillwater, Oklahoma is approximately 460 miles (740 km) via the most direct interstate routing.

Primary Route: I-35 North

1. San Antonio → Austin (80 mi, 1h 20m)
2. Austin → Waco (100 mi, 1h 35m)
3. Waco → Dallas/Fort Worth (90 mi, 1h 30m)
4. DFW → Oklahoma City (205 mi, 3h)
5. OKC → Stillwater (65 mi, 1h)

Total: ~540 miles, 7–7.5 hours pure driving (no stops, ideal traffic).

Alternative: US-287 N / US-81 N (Slightly Shorter, Slower)

San Antonio → Kerrville → San Angelo → Abilene → Wichita Falls → Enid → Stillwater. ~460 miles but 8+ hours due to two-lane sections and town speed zones.

Real-World Planning

• Add 1–2 hours for fuel, food, restroom breaks
• DFW metroplex traffic can add 30–60+ minutes (avoid 7–9 AM, 4–7 PM)
• Weather: Winter ice storms possible in North TX/OK; spring severe storms
• Fuel stops: Plan near Waco or DFW—long stretches with limited services north of Wichita Falls

Flight Alternative

San Antonio (SAT) → Oklahoma City (OKC) or Tulsa (TUL): 1h 45m flight + 1h drive to Stillwater. Total ~4–5 hours door-to-door. Often $200–$400 round-trip if booked ahead.