Distance Between Dominican Republic and Puerto Rico

The Mona Passage separates the Dominican Republic (Hispaniola) and Puerto Rico.

• Closest Point: ~110 km (68 miles) (Punta Higüero, PR to Cabo Engaño, DR)
• Capital-to-Capital: Santo Domingo (SDQ) to San Juan (SJU) — ~380 km (236 mi)
• Flight: 45-60 min (multiple daily)
• Ferry: Seasonal/limited (Santo Domingo ↔ Mayagüez, ~4-6 hrs)

Significance

• Major migration route (Dominicans to PR)
• Drug trafficking corridor
• Shared marine ecosystems (humpback whales, coral)
• Different political statuses: DR independent; PR US territory