21.4 m
Chat with our AI personalities
2.8158
20.6881609
0.428 = 428/1000 = 107/250 (simplified)
1 knot = 1 nautocal mile per hour. So 428 nm @ 20 knots per hour will take 428/20 = 21.4 hours. After 12 hours, it is 20*12 = 240 nautical miles away. Its distance East is 240*cos(1.4deg) = 239.9 nautical miles and its distance South is 240*sin(1.4deg) = 5.9 nautical miles.
On day 1 he traveled 428 miles and on day two he traveled 668 miles