| Upplands Vasby to Smolyan | 1,272.78 mi (2,048.35 km) |
| Upplands Vasby to Sofia | 1,184.46 mi (1,906.21 km) |
| Upplands Vasby to Sopot | 1,201.01 mi (1,932.84 km) |
| Upplands Vasby to Sozopol | 1,252.74 mi (2,016.09 km) |
| Upplands Vasby to Sredets | 1,250.28 mi (2,012.13 km) |
| Upplands Vasby to Stamboliyski | 1,233.85 mi (1,985.68 km) |
| Upplands Vasby to Stara Zagora | 1,225.40 mi (1,972.10 km) |
| Upplands Vasby to Svilengrad | 1,276.67 mi (2,054.60 km) |
| Upplands Vasby to Svishtov | 1,142.33 mi (1,838.41 km) |
| Upplands Vasby to Targovishte | 1,182.08 mi (1,902.38 km) |
| Upplands Vasby to Teteven | 1,178.12 mi (1,896.00 km) |
| Upplands Vasby to Troyan | 1,184.88 mi (1,906.88 km) |
| Upplands Vasby to Tryavna | 1,194.50 mi (1,922.36 km) |
| Upplands Vasby to Tutrakan | 1,129.25 mi (1,817.35 km) |
| Upplands Vasby to Varna | 1,202.91 mi (1,935.89 km) |
