| Cities | Distance |
|---|---|
| Trets to Sestao | 436.38 mi (702.28 km) |
| Trets to Sevilla | 748.50 mi (1,204.60 km) |
| Trets to Sevilla La Nueva | 543.13 mi (874.08 km) |
| Trets to Silla | 423.43 mi (681.45 km) |
| Trets to Silleda | 703.58 mi (1,132.31 km) |
| Trets to Sitges | 250.31 mi (402.83 km) |
| Trets to Socuellamos | 524.65 mi (844.35 km) |
| Trets to Soller | 297.36 mi (478.55 km) |
| Trets to Solsona | 234.13 mi (376.79 km) |
| Trets to Son Servera | 290.41 mi (467.37 km) |
| Trets to Sonseca | 560.84 mi (902.58 km) |
| Trets to Sopelana | 434.72 mi (699.62 km) |
| Trets to Soria | 430.33 mi (692.55 km) |
| Trets to Suances | 488.15 mi (785.60 km) |
| Trets to Sueca | 427.36 mi (687.77 km) |