| Ballincollig to Smolyan | 1,710.31 mi (2,752.48 km) |
| Ballincollig to Sofia | 1,608.49 mi (2,588.62 km) |
| Ballincollig to Sopot | 1,670.10 mi (2,687.76 km) |
| Ballincollig to Sozopol | 1,803.68 mi (2,902.74 km) |
| Ballincollig to Sredets | 1,785.10 mi (2,872.84 km) |
| Ballincollig to Stamboliyski | 1,681.25 mi (2,705.70 km) |
| Ballincollig to Stara Zagora | 1,716.42 mi (2,762.31 km) |
| Ballincollig to Svilengrad | 1,765.84 mi (2,841.85 km) |
| Ballincollig to Svishtov | 1,658.97 mi (2,669.85 km) |
| Ballincollig to Targovishte | 1,724.80 mi (2,775.79 km) |
| Ballincollig to Teteven | 1,639.48 mi (2,638.49 km) |
| Ballincollig to Troyan | 1,659.72 mi (2,671.05 km) |
| Ballincollig to Tryavna | 1,693.39 mi (2,725.25 km) |
| Ballincollig to Tutrakan | 1,697.03 mi (2,731.11 km) |
| Ballincollig to Varna | 1,782.62 mi (2,868.85 km) |
