Drive Time: Orange County, CA to Las Vegas, NV

~4 hours 26 minutes (269 miles / 433 km) via I-15 North from central Orange County (e.g., Anaheim/Irvine) to the Las Vegas Strip.

Variables

• Traffic: Friday PM / Sunday PM / holidays add 1–3+ hours (Cajon Pass bottleneck)
• Weather: Winter snow in Cajon Pass (rare but closes I-15); summer heat
• Start/end points: South OC (San Clemente) +5–10 min; North OC (Fullerton) -5 min; Downtown LV vs. Strip ±10 min

Alternate Routes

• I-15 is the only practical freeway route.
• Scenic detour: CA-247 / US-95 through Mojave — slower, not recommended for speed.

Tips

• Leave early (before 6 AM) or late (after 8 PM) to avoid traffic.
• Fill gas in Barstow or Baker — prices spike at Primm/NV border.
• Check Caltrans QuickMap + NV Roads for live conditions.