Baltimore, United States → Boston, United States · ✈ 1h 13min · 🚗 9h 24min
312 nautical miles · Time difference: Same timezone · Direction: northeast
The distance from Baltimore to Boston is 578 km (359 miles). The fastest way to travel is by flight. A direct flight takes approximately 1h 13min.
The straight-line distance from Baltimore, United States to Boston, United States is approximately 578 kilometers (359 miles or 312 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 Baltimore. Baltimore 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 | 578 km | ~1h 13min | Best option for speed |
| 🚗 Drive | ~751 km | ~9h 24min | Feasible with breaks |
| 🚂 Regular Train | ~694 km | ~5h 47min | Scenic but slow |
Our recommendation: flight is typically the best way to travel from Baltimore to Boston. For 578 km, flying saves significant time and is usually the most practical choice.
Based on an estimated road distance of 751 km, fuel costs for driving from Baltimore to Boston are approximately $60–$113 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.
Baltimore sits at 39.2904°N, 76.6122°W, while Boston is located at 42.3601°N, 71.0589°W. The initial compass bearing from Baltimore to Boston is 52° (NE), so a great-circle flight path leaves Baltimore heading roughly NE. 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 3.07° and the longitude difference is 5.55°. 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 Baltimore and Boston is approximately 40.8585°N, 73.8999°W. This is the great-circle halfway position — the spot where you would be exactly 289 km from each city. For road trips, a stop near this latitude/longitude makes for a natural overnight or lunch break.
Baltimore 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.
Baltimore is a major city in United States with a population of approximately 585,708. Located in the Northeast region, it is an important hub in North America. Despite its smaller size, Baltimore plays an important regional role in United States and attracts visitors year-round.
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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578 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 578 km, the Baltimore-Boston route is about 1.4% of Earth's circumference. A commercial jet covers this distance in about 1h 13min.
The straight-line distance from Baltimore to Boston is approximately 578 kilometers (359 miles, 312 nautical miles).
A direct flight takes approximately 1h 13min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 9h 24min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
Boston is approximately Same timezone compared to Baltimore.
The estimated road distance is approximately 751 km, which is about 30% longer than the 578 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.