| RO | should be easy to remember, because it sounds like ROad. | 
| Each foot walks on the same road. | 
| 道路 | 
road
★★★★☆
 paved road - small or large | 
| 迷路 | 
| Meaning | Hint | Radical | |
|---|---|---|---|
| 路 | road | FEET | 足 | 
| 道 | street | MOVE |  | 
The road is under your FEET, but you MOVE along the street. Word.
| Meaning | Hint | Radical | |
|---|---|---|---|
| 路 | road | EACH | 各 | 
| 距 | distance | GIANT | 巨 | 
EACH road goes on for a GIANT distance. (it's part of a massive public-works project driven by kickbacks. Quite elaborate, really!)
| road 道路 通り 街道 道 |