| Arklow to Smolyan | 1,625.64 mi (2,616.21 km) |
| Arklow to Sofia | 1,522.75 mi (2,450.63 km) |
| Arklow to Sopot | 1,582.26 mi (2,546.40 km) |
| Arklow to Sozopol | 1,712.26 mi (2,755.61 km) |
| Arklow to Sredets | 1,694.53 mi (2,727.08 km) |
| Arklow to Stamboliyski | 1,595.25 mi (2,567.31 km) |
| Arklow to Stara Zagora | 1,627.84 mi (2,619.76 km) |
| Arklow to Svilengrad | 1,678.28 mi (2,700.94 km) |
| Arklow to Svishtov | 1,567.48 mi (2,522.61 km) |
| Arklow to Targovishte | 1,632.66 mi (2,627.52 km) |
| Arklow to Teteven | 1,551.60 mi (2,497.05 km) |
| Arklow to Troyan | 1,571.25 mi (2,528.68 km) |
| Arklow to Tryavna | 1,603.81 mi (2,581.09 km) |
| Arklow to Tutrakan | 1,602.69 mi (2,579.29 km) |
| Arklow to Varna | 1,688.86 mi (2,717.96 km) |
