| Rhymney to Smolyan | 1,488.48 mi (2,395.48 km) |
| Rhymney to Sofia | 1,386.03 mi (2,230.60 km) |
| Rhymney to Sopot | 1,446.57 mi (2,328.03 km) |
| Rhymney to Sozopol | 1,578.66 mi (2,540.60 km) |
| Rhymney to Sredets | 1,560.40 mi (2,511.22 km) |
| Rhymney to Stamboliyski | 1,458.67 mi (2,347.50 km) |
| Rhymney to Stara Zagora | 1,492.56 mi (2,402.04 km) |
| Rhymney to Svilengrad | 1,542.49 mi (2,482.39 km) |
| Rhymney to Svishtov | 1,433.88 mi (2,307.61 km) |
| Rhymney to Targovishte | 1,499.50 mi (2,413.21 km) |
| Rhymney to Teteven | 1,415.92 mi (2,278.71 km) |
| Rhymney to Troyan | 1,435.89 mi (2,310.84 km) |
| Rhymney to Tryavna | 1,469.08 mi (2,364.25 km) |
| Rhymney to Tutrakan | 1,471.06 mi (2,367.44 km) |
| Rhymney to Varna | 1,556.82 mi (2,505.46 km) |
