| Glenfield to Smolyan | 1,426.18 mi (2,295.22 km) |
| Glenfield to Sofia | 1,322.70 mi (2,128.68 km) |
| Glenfield to Sopot | 1,380.63 mi (2,221.92 km) |
| Glenfield to Sozopol | 1,508.29 mi (2,427.36 km) |
| Glenfield to Sredets | 1,491.06 mi (2,399.63 km) |
| Glenfield to Stamboliyski | 1,394.88 mi (2,244.85 km) |
| Glenfield to Stara Zagora | 1,425.67 mi (2,294.39 km) |
| Glenfield to Svilengrad | 1,476.71 mi (2,376.54 km) |
| Glenfield to Svishtov | 1,363.62 mi (2,194.53 km) |
| Glenfield to Targovishte | 1,428.38 mi (2,298.76 km) |
| Glenfield to Teteven | 1,349.99 mi (2,172.60 km) |
| Glenfield to Troyan | 1,369.22 mi (2,203.55 km) |
| Glenfield to Tryavna | 1,401.04 mi (2,254.76 km) |
| Glenfield to Tutrakan | 1,397.34 mi (2,248.80 km) |
| Glenfield to Varna | 1,483.72 mi (2,387.81 km) |
