| Martorell to Smolyan | 1,174.34 mi (1,889.91 km) |
| Martorell to Sofia | 1,097.59 mi (1,766.41 km) |
| Martorell to Sopot | 1,169.80 mi (1,882.62 km) |
| Martorell to Sozopol | 1,320.82 mi (2,125.65 km) |
| Martorell to Sredets | 1,295.91 mi (2,085.57 km) |
| Martorell to Stamboliyski | 1,161.63 mi (1,869.47 km) |
| Martorell to Stara Zagora | 1,216.63 mi (1,957.97 km) |
| Martorell to Svilengrad | 1,249.54 mi (2,010.94 km) |
| Martorell to Svishtov | 1,197.26 mi (1,926.80 km) |
| Martorell to Targovishte | 1,259.96 mi (2,027.71 km) |
| Martorell to Teteven | 1,144.30 mi (1,841.58 km) |
| Martorell to Troyan | 1,167.16 mi (1,878.37 km) |
| Martorell to Tryavna | 1,206.83 mi (1,942.20 km) |
| Martorell to Tutrakan | 1,260.00 mi (2,027.77 km) |
| Martorell to Varna | 1,327.11 mi (2,135.77 km) |
