Honda Civic 2019 Manual page 510

The higher your vehicle's following speed is, the longer the short, middle, long or
extra long following-interval becomes. See the following examples for your
reference.
Following-Interval
Short
Middle
Long
Extra
Long
When the Set Speed is:
50 mph (80 km/h) 65 mph (104 km/h)
83.3 feet
25.4 meters
1.1 sec
109.6 feet
33.4 meters
1.5 sec
153.8 feet
46.9 meters
2.1 sec
213.5 feet
65.1 meters
2.9 sec
uuHonda Sensing®
100.4 feet
30.6 meters
1.1 sec
137.4 feet
41.9 meters
1.5 sec
199.8 feet
60.9 meters
2.1 sec
282.7 feet
86.2 meters
2.9 sec
Continued
* uAdaptive Cruise Control (ACC) *
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