Mammoth Cave from Paducah, KY: 142 Miles, ~2h15m Drive

The drive from Paducah, Kentucky to Mammoth Cave National Park covers approximately 142 miles (229 km) via the fastest route (I-24 W → I-69 N → KY-70 W / KY-255 N).

Estimated drive time: 2 hours 15 minutes under normal conditions.

Route Highlights

• Cross the Ohio River at Paducah (I-24 bridge)
• Traverse the Land Between the Lakes region (optional scenic detour via US-68/KY-80)
• Enter the Pennyroyal Plateau — karst topography with sinkholes, springs, and caves
• Arrive at the park's main entrance near Cave City

Tips

• Fill up in Paducah or Eddyville — services sparse near park
• Book cave tours in advance at Recreation.gov (especially summer)
• Allow extra time if visiting Diamond Caverns or Hidden River Cave nearby

Mammoth Cave — the world's longest known cave system (426+ miles surveyed) — is worth the drive from anywhere in the region.