Washington, United States → Boston, United States · ✈ 1h 18min · 🚗 10h 18min
342 nautical miles · Time difference: Same timezone · Direction: northeast
The distance from Washington to Boston is 634 km (394 miles). The fastest way to travel is by flight. A direct flight takes approximately 1h 18min.
The straight-line distance from Washington, United States to Boston, United States is approximately 634 kilometers (394 miles or 342 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.
Boston is located northeast of Washington. Washington is in North America, in the Northeast region of United States, while Boston is in North America, in Northeast, United States. Both cities are in North America.
| Mode | Distance | Est. Time | Best For |
|---|---|---|---|
| ✈️ Flight | 634 km | ~1h 18min | Best option for speed |
| 🚗 Drive | ~824 km | ~10h 18min | Feasible with breaks |
| 🚂 Regular Train | ~761 km | ~6h 20min | Scenic but slow |
Our recommendation: flight is typically the best way to travel from Washington to Boston. For 634 km, flying saves significant time and is usually the most practical choice.
Based on an estimated road distance of 824 km, fuel costs for driving from Washington to Boston are approximately $66–$124 USD (at $0.08–$0.15 per km, depending on vehicle efficiency and local fuel prices). Additional costs may include tolls, parking, and accommodation for longer trips.
Washington is a major city in United States with a population of approximately 689,545. Located in the Northeast region, it is an important hub in North America. Despite its smaller size, Washington plays an important regional role in United States and attracts visitors year-round.
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Boston is a notable city in United States with a population of approximately 675,647. Situated in the Northeast region, it serves as a key destination in North America. Boston is a popular destination in the Northeast region of United States, known for its unique character and attractions.
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634 km is a medium-distance route, similar to traveling across a mid-sized European country. A flight covers this distance quickly, but driving or rail travel remains feasible for those who prefer ground transport. For reference, New York to Chicago is about 1,150 km.
At 634 km, the Washington-Boston route is about 1.6% of Earth's circumference. A commercial jet covers this distance in about 1h 18min.
See how the Washington to Boston distance compares to similar routes:
The straight-line distance from Washington to Boston is approximately 634 kilometers (394 miles, 342 nautical miles).
A direct flight takes approximately 1h 18min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 10h 18min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
Boston is approximately Same timezone compared to Washington.
The estimated road distance is approximately 824 km, which is about 30% longer than the 634 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.