| Naantali to Smolyan | 1,309.59 mi (2,107.58 km) |
| Naantali to Sofia | 1,228.76 mi (1,977.50 km) |
| Naantali to Sopot | 1,236.28 mi (1,989.59 km) |
| Naantali to Sozopol | 1,269.66 mi (2,043.32 km) |
| Naantali to Sredets | 1,270.45 mi (2,044.59 km) |
| Naantali to Stamboliyski | 1,271.09 mi (2,045.62 km) |
| Naantali to Stara Zagora | 1,255.22 mi (2,020.08 km) |
| Naantali to Svilengrad | 1,303.99 mi (2,098.57 km) |
| Naantali to Svishtov | 1,172.36 mi (1,886.73 km) |
| Naantali to Targovishte | 1,204.60 mi (1,938.62 km) |
| Naantali to Teteven | 1,216.18 mi (1,957.26 km) |
| Naantali to Troyan | 1,220.07 mi (1,963.52 km) |
| Naantali to Tryavna | 1,224.65 mi (1,970.89 km) |
| Naantali to Tutrakan | 1,150.05 mi (1,850.82 km) |
| Naantali to Varna | 1,216.87 mi (1,958.36 km) |
