Field Desk · Map tools
As the Crow Flies Distance Calculator
Measure straight-line (great-circle) distance between two cities or GPS coordinates. Explore pre-calculated US city pairs with an interactive map.
Calculate distance
Straight-line great-circle distance — not driving route length.
Units
Straight-line distance
3,936 km
New York, NY → Los Angeles, CA
Also 2,446 mi · 2,125 nm
Coordinates · 40.7128, -74.0060 → 34.0522, -118.2437
Interactive map
New York, NY → Los Angeles, CA
Example Distances Between Major US Cities
Explore pre-calculated distances between major US cities. Click any card to see the exact straight-line distance with interactive map visualization.
Key Features
Explore the powerful capabilities that make this tool essential for field planning, logistics education, and cooperative workflows.
Measure Straight-Line Distance
Great-circle distance between two points using the Haversine formula — the same method used in GPS navigation.
Enter Cities or GPS Coordinates
Pick major US cities from the list or enter precise latitude and longitude for any two locations.
Instant Results in km, miles, or nm
Switch between kilometers, statute miles, and nautical miles with one tap — results update live.
Interactive Map Visualization
See both endpoints and the straight-line path on an interactive map for planning and education.
Educational estimates using the Haversine formula. Not a substitute for surveyed boundaries, flight planning, or legal land measurement.