Boston, United States → Portland, United States · ✈ 5h 36min · 🚗 66h 14min
2,201 nautical miles · Time difference: -3h behind · Direction: northwest
The distance from Boston to Portland is 4,076 km (2,533 miles). The fastest way to travel is by flight. A direct flight takes approximately 5h 36min.
The straight-line distance from Boston, United States to Portland, United States is approximately 4,076 kilometers (2,533 miles or 2,201 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.
Portland is located northwest of Boston. Boston is in North America, in the Northeast region of United States, while Portland is in North America, in Pacific Northwest, United States. Both cities are in North America.
| Mode | Distance | Est. Time | Best For |
|---|---|---|---|
| ✈️ Flight | 4,076 km | ~5h 36min | Best option for speed |
Our recommendation: flight is typically the best way to travel from Boston to Portland. For 4,076 km, flying saves significant time and is usually the most practical choice.
Boston is a major city in United States with a population of approximately 675,647. Located in the Northeast region, it is an important hub in North America. Despite its smaller size, Boston plays an important regional role in United States and attracts visitors year-round.
→ See all distances from Boston
Portland is a notable city in United States with a population of approximately 652,503. Situated in the Pacific Northwest region, it serves as a key destination in North America. Portland is a popular destination in the Pacific Northwest region of United States, known for its unique character and attractions.
→ See all distances from Portland
4,076 km is a long-distance route that typically requires air travel. This is comparable to spanning a large continent. For context, London to Dubai is about 5,500 km.
The 4,076 km between Boston and Portland means a beam of light could travel this distance in approximately 13.6 milliseconds — but a flight still takes 5h 36min.
Despite both being in United States, Boston and Portland are 4,076 km apart — a reminder of how vast the country is. Flying is the only practical option, and the journey likely involves crossing multiple climate zones and time zones.
The straight-line distance from Boston to Portland is approximately 4,076 kilometers (2,533 miles, 2,201 nautical miles).
A direct flight takes approximately 5h 36min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 66h 14min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
Portland is approximately -3h behind compared to Boston.
The estimated road distance is approximately 5,299 km, which is about 30% longer than the 4,076 km straight-line distance.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: April 7, 2026.