Montreal, Canada → Boston, United States · ✈ 1h · 🚗 6h 33min
218 nautical miles · Time difference: Same timezone · Direction: southeast
The distance from Montreal to Boston is 403 km (250 miles). The fastest way to travel is by flight. A direct flight takes approximately 1h.
The straight-line distance from Montreal, Canada to Boston, United States is approximately 403 kilometers (250 miles or 218 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 southeast of Montreal. Montreal is in North America, in the Quebec region of Canada, while Boston is in North America, in Northeast, United States. Both cities are in North America.
| Mode | Distance | Est. Time | Best For |
|---|---|---|---|
| ✈️ Flight | 403 km | ~1h | Quick but may not save time with airport procedures |
| 🚗 Drive | ~524 km | ~6h 33min | Feasible with breaks |
| 🚂 Regular Train | ~484 km | ~4h 2min | Budget-friendly option |
Our recommendation: flight is typically the best way to travel from Montreal to Boston. At this distance, driving gives you the most flexibility and avoids airport overhead.
Based on an estimated road distance of 524 km, fuel costs for driving from Montreal to Boston are approximately $42–$79 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.
Montreal sits at 45.5017°N, 73.5673°W, while Boston is located at 42.3601°N, 71.0589°W. The initial compass bearing from Montreal to Boston is 149° (SSE), so a great-circle flight path leaves Montreal heading roughly SSE. Because the Earth is curved, the actual heading shifts gradually along the route — pilots and navigation systems update it continuously instead of holding a single fixed compass bearing.
The latitude difference is 3.14° and the longitude difference is 2.51°. Each degree of latitude represents about 111 km, which is one reason cross-latitude routes feel longer even when the map looks similar to east–west journeys.
The geographic midpoint between Montreal and Boston is approximately 43.9378°N, 72.2800°W. This is the great-circle halfway position — the spot where you would be exactly 202 km from each city. For road trips, a stop near this latitude/longitude makes for a natural overnight or lunch break.
Montreal and Boston share the same approximate time zone, so meetings, calls, and arrivals don't require any clock adjustment. This makes the route especially convenient for short business trips. Daylight saving time can shift the offset by an hour during certain months, so confirm the exact difference for your specific travel dates.
Montreal uses the Canadian Dollar (CAD), while Boston uses the US Dollar (USD). Plan to exchange currency before departure or use a low-fee travel card on arrival — airport rates are typically the worst available. The primary local language shifts from English / French in Montreal to English in Boston. Learning a few basic phrases makes a noticeable difference at hotels, restaurants, and transit hubs.
Montreal is a major city in Canada with a population of approximately 1,704,694. Located in the Quebec region, it is an important hub in North America. Montreal is a significant metropolitan area in Canada with good domestic and international transport connections.
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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.
→ See all distances from Boston
403 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 403 km, the Montreal-Boston route is about 1.0% of Earth's circumference. A commercial jet covers this distance in about 1h.
The straight-line distance from Montreal to Boston is approximately 403 kilometers (250 miles, 218 nautical miles).
A direct flight takes approximately 1h, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 6h 33min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
Boston is approximately Same timezone compared to Montreal.
The estimated road distance is approximately 524 km, which is about 30% longer than the 403 km straight-line distance.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: May 30, 2026.