Boston, United States → San Juan, Puerto Rico
1,457 nautical miles · Direction: southeast
The straight-line distance from Boston to San Juan is 2,698 km (1,676 miles). San Juan lies roughly south-southeast of Boston; the initial great-circle bearing is 169° (SSE). It is an international route from United States to Puerto Rico.
Boston (Northeast, United States) sits at 42.3601°N, 71.0589°W; San Juan (San Juan, Puerto Rico) is at 18.4655°N, 66.1057°W. The initial great-circle bearing is 169° (SSE); on a great circle the heading changes along the way.
| Mode | Figure | Basis |
|---|---|---|
| ✈️ Flight | ~3h 52min | Estimate: 800 km/h + 30 min taxi. Not a schedule; total trip time is longer. |
| 🚗 Road | No estimate | No road connection |
There is no continuous road connection between Boston and San Juan — the two cities sit on separate landmasses, so the journey requires air or sea transport.
The geographic halfway point of the great-circle path between Boston and San Juan lies at approximately 30.4358°N, 68.2745°W — the position that is an equal 1,349 km from each city along that path. It is a geometric midpoint, not a halfway point by road.
Depending on the date, San Juan (America/Puerto_Rico) is on the same time as or 1 hour ahead of Boston (America/New_York), because daylight saving changes on different dates in the two zones or applies in only one of them.
All distances from Boston · All distances from San Juan
The straight-line distance from Boston to San Juan is approximately 2,698 km (1,676 miles, 1,457 nautical miles).
San Juan lies roughly south-southeast of Boston; the initial great-circle bearing is 169° (SSE).
Estimated flight time is about 3h 52min (great-circle distance at 800 km/h plus 30 min for taxi, take-off and landing). It is not an airline schedule; total airport-to-airport trip time is longer.
There is no continuous road connection between Boston and San Juan — the two cities sit on separate landmasses, so the journey requires air or sea transport.
Depending on the date, San Juan (America/Puerto_Rico) is on the same time as or 1 hour ahead of Boston (America/New_York), because daylight saving changes on different dates in the two zones or applies in only one of them.
Straight-line distance uses the great-circle (Haversine) method. Flight and road figures, where shown, are estimates rather than schedules or live routing. How SnapDistance calculates distances