| Romsey to Smolyan | 1,399.11 mi (2,251.66 km) |
| Romsey to Sofia | 1,297.09 mi (2,087.47 km) |
| Romsey to Sopot | 1,358.51 mi (2,186.32 km) |
| Romsey to Sozopol | 1,492.30 mi (2,401.62 km) |
| Romsey to Sredets | 1,473.60 mi (2,371.53 km) |
| Romsey to Stamboliyski | 1,369.82 mi (2,204.52 km) |
| Romsey to Stara Zagora | 1,404.82 mi (2,260.84 km) |
| Romsey to Svilengrad | 1,454.28 mi (2,340.44 km) |
| Romsey to Svishtov | 1,347.63 mi (2,168.80 km) |
| Romsey to Targovishte | 1,413.56 mi (2,274.91 km) |
| Romsey to Teteven | 1,327.89 mi (2,137.04 km) |
| Romsey to Troyan | 1,348.12 mi (2,169.59 km) |
| Romsey to Tryavna | 1,381.82 mi (2,223.83 km) |
| Romsey to Tutrakan | 1,386.43 mi (2,231.25 km) |
| Romsey to Varna | 1,471.79 mi (2,368.61 km) |
