| Galway to Smolyan | 1,749.92 mi (2,816.22 km) |
| Galway to Sofia | 1,647.01 mi (2,650.61 km) |
| Galway to Sopot | 1,706.41 mi (2,746.20 km) |
| Galway to Sozopol | 1,836.00 mi (2,954.76 km) |
| Galway to Sredets | 1,818.40 mi (2,926.43 km) |
| Galway to Stamboliyski | 1,719.50 mi (2,767.26 km) |
| Galway to Stara Zagora | 1,751.93 mi (2,819.46 km) |
| Galway to Svilengrad | 1,802.45 mi (2,900.76 km) |
| Galway to Svishtov | 1,691.24 mi (2,721.79 km) |
| Galway to Targovishte | 1,756.32 mi (2,826.52 km) |
| Galway to Teteven | 1,675.75 mi (2,696.85 km) |
| Galway to Troyan | 1,695.35 mi (2,728.41 km) |
| Galway to Tryavna | 1,727.81 mi (2,780.64 km) |
| Galway to Tutrakan | 1,725.94 mi (2,777.64 km) |
| Galway to Varna | 1,812.21 mi (2,916.47 km) |
