| Cities | Distance |
|---|---|
| Trets to Reinosa | 495.25 mi (797.03 km) |
| Trets to Requena | 445.15 mi (716.40 km) |
| Trets to Reus | 282.40 mi (454.48 km) |
| Trets to Rianxo | 733.39 mi (1,180.28 km) |
| Trets to Ribadeo | 637.32 mi (1,025.67 km) |
| Trets to Rincon de la Victoria | 701.92 mi (1,129.63 km) |
| Trets to Ripoll | 196.92 mi (316.92 km) |
| Trets to Ripollet | 224.66 mi (361.56 km) |
| Trets to Rojales | 499.24 mi (803.45 km) |
| Trets to Ronda | 736.39 mi (1,185.10 km) |
| Trets to Roquetas de Mar | 636.23 mi (1,023.91 km) |
| Trets to Rosas | 151.19 mi (243.31 km) |
| Trets to Rubi | 229.93 mi (370.04 km) |
| Trets to Rute | 676.89 mi (1,089.34 km) |
| Trets to Sabadell | 224.55 mi (361.38 km) |