| Abergele to Smolyan | 1,534.04 mi (2,468.80 km) |
| Abergele to Sofia | 1,430.50 mi (2,302.17 km) |
| Abergele to Sopot | 1,488.20 mi (2,395.02 km) |
| Abergele to Sozopol | 1,615.17 mi (2,599.36 km) |
| Abergele to Sredets | 1,598.13 mi (2,571.94 km) |
| Abergele to Stamboliyski | 1,502.64 mi (2,418.27 km) |
| Abergele to Stara Zagora | 1,533.11 mi (2,467.31 km) |
| Abergele to Svilengrad | 1,584.27 mi (2,549.64 km) |
| Abergele to Svishtov | 1,470.56 mi (2,366.64 km) |
| Abergele to Targovishte | 1,535.14 mi (2,470.58 km) |
| Abergele to Teteven | 1,457.56 mi (2,345.72 km) |
| Abergele to Troyan | 1,476.71 mi (2,376.53 km) |
| Abergele to Tryavna | 1,508.34 mi (2,427.44 km) |
| Abergele to Tutrakan | 1,503.53 mi (2,419.70 km) |
| Abergele to Varna | 1,590.02 mi (2,558.89 km) |
