Appears on releases
| # | Title | Length | Track Artist | Release Title | Release Artist | Release Group Type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.1 | 마일리지 (Mileage) | 4:04 | 정용화 with YDG | 마일리지 (Mileage) | 정용화 with YDG | Single |
| FNC Entertainment (replaced "FNC MUSIC" in 2012) | |
| 1.5 | 마일리지 (Mileage) | 4:04 | 정용화 with YDG | 어느 멋진 날 | 정용화 | Album |
| FNC Entertainment (replaced "FNC MUSIC" in 2012) | |
| 1.5 | 마일리지 (Mileage) | 4:04 | 정용화 with YDG | 어느 멋진 날 (A Ver.) | 정용화 | Album |
| FNC Entertainment (replaced "FNC MUSIC" in 2012) | CMCC-10479 |
| 1.5 | 마일리지 (Mileage) | 4:04 | 정용화 with YDG | 어느 멋진 날 (B Ver.) | 정용화 | Album |
| FNC Entertainment (replaced "FNC MUSIC" in 2012) | CMCC-10480 |
| 1.5 | 마일리지 (Mileage) | 4:04 | 정용화 with YDG | 어느 멋진 날 (Special Ver.) | 정용화 | Album |
| FNC Entertainment (replaced "FNC MUSIC" in 2012) | CMCC-10494 |
| 1.5 | Mileage | 4:05 | ジョン・ヨンファ With YDG | ある素敵な日 ～Japan Special Edition～ | ジョン・ヨンファ | Album |
| Warner Music Japan (primary imprint of Warner Music Japan, Inc.; do not use for copyright/publisher/etc. relationships!) | WPCL-12075 |
| 1.5 | Mileage | 4:05 | ジョン・ヨンファ With YDG | ある素敵な日 ～Japan Special Edition～ (初回限定盤) | ジョン・ヨンファ | Album |
| Warner Music Japan (primary imprint of Warner Music Japan, Inc.; do not use for copyright/publisher/etc. relationships!) | WPZL-31004, WPZL-31005 |
| 1.4 | 마일리지 (Mileage) | ?:?? | 정용화 | 2018 JUNG YONG HWA LIVE `ROOM 622` DVD | 정용화 | Album + Live |
| FNC Entertainment (replaced "FNC MUSIC" in 2012) | |