Boston, United States → Montreal, Canada · ✈ 1h · 🚗 6h 33min
218 nautical miles · Time difference: Same timezone · Direction: northwest
The distance from Boston to Montreal is 403 km (250 miles). The fastest way to travel is by flight. A direct flight takes approximately 1h.
The straight-line distance from Boston, United States to Montreal, Canada 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.
Montreal is located northwest of Boston. Boston is in North America, in the Northeast region of United States, while Montreal is in North America, in Quebec, Canada. 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 Boston to Montreal. 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 Boston to Montreal 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.
Boston sits at 42.3601°N, 71.0589°W, while Montreal is located at 45.5017°N, 73.5673°W. The initial compass bearing from Boston to Montreal is 331° (NNW), so a great-circle flight path leaves Boston heading roughly NNW. 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 Boston and Montreal 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.
Boston and Montreal 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.
Boston uses the US Dollar (USD), while Montreal uses the Canadian Dollar (CAD). 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 in Boston to English / French in Montreal. Learning a few basic phrases makes a noticeable difference at hotels, restaurants, and transit hubs.
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
Montreal is a notable city in Canada with a population of approximately 1,704,694. Situated in the Quebec region, it serves as a key destination in North America. Montreal offers solid transport connections and a variety of arrival options as a major city in Canada.
→ See all distances from Montreal
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 Boston-Montreal route is about 1.0% of Earth's circumference. A commercial jet covers this distance in about 1h.
The straight-line distance from Boston to Montreal 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.
Montreal is approximately Same timezone compared to Boston.
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.