Inflatable kayaks couch covers shoe storage cupboard outside bench cushions Types 6 miles, or fifty five.seven km) at the end of a 6 weeks’ voyage. (The geographical mile is defined as just one moment of arc along the Earth’s equator; Assess the nautical mile, described as 1 minute of arc https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/