ゆう
yūni

Adverb

1. easily (reach, exceed, etc.); comfortably; amply; fully; well over

ここから郵便 ゆうびん きょくまではゆうに キロあります。
kokokara yūbinkyokumadewa yūni gokiro arimasu.
The post office is a good five kilometers away from here.
Other forms: