Maps & Navigation
Map reading, navigation tools, geographic coordinate systems, and cartography basics.
Written by James Cartwright
How Do You Read Latitude And Longitude On A Map?
How do you read latitude and longitude on a map? Latitude and longitude are read as coordinates in the format of degrees, minutes, and seconds (or decimal degrees), with latitude always listed first....
How Many Degrees Is The Prime Meridian And Dateline?
The Prime Meridian sits at 0° longitude, while the International Date Line lies at 180° longitude. What’s the geographic context behind these lines? These two lines are the backbone of Earth’s longit...
What Part Of The Map Shows The Subject?
The Santa Susana Mountains appear on maps just north of Los Angeles, forming a rugged natural barrier that stretches 18 miles east–west and 12 miles north–south. Located just north of Los Angeles, th...
What Is The Longitude Of The Prime Meridian Line?
Medical Disclaimer: This article is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional for diagnosis and treatment. If you are e...
What Is A Global Address In Geography?
Quick Fact Every point on Earth has a unique global address made up of latitude and longitude coordinates. For instance, the Eiffel Tower sits at 48.8584° N, 2.2945° E, which pins it down to within ab...
What Are Meridians Of Longitude?
Quick Fact Earth has 360 meridians of longitude, each marking one degree. The Prime Meridian at 0° runs through Greenwich, England, while the 180° meridian (International Date Line) sits in th...
What Is The Google Maps API Limit?
Quick Fact As of 2026, Google Maps APIs run on a $200 USD monthly credit before you get charged. The free tier covers up to 28,000 Dynamic Map loads or 100,000 Static Map loads each month. After that...
How Long Does It Take To Get From Germany To Switzerland By Train?
Quick Fact: The fastest direct train between Germany and Switzerland covers 189 miles (304 km) in as little as 3 hours 54 minutes, with up to 22 daily departures between major cities. How do trains c...
How Far Is It From London To Glasgow As The Crow Flies?
Quick Fact: The direct "as the crow flies" distance between London and Glasgow is 556 km (345 miles), measured from central London (51.5074°N, 0.1278°W) to central Glasgow (55.8642°N, 4.2518°W). What...
What Parallel Is Denver CO On?
Quick Fact Denver, Colorado, sits right on the 39°44′N parallel—just south of the 40th parallel north. With coordinates of 39.7392° N, 104.9903° W, Denver anchors the Front Range Urban Corridor and an...