| Bryn Mawr-Skyway to Smolyan | 5,958.00 mi (9,588.48 km) |
| Bryn Mawr-Skyway to Sofia | 5,860.10 mi (9,430.92 km) |
| Bryn Mawr-Skyway to Sopot | 5,890.46 mi (9,479.78 km) |
| Bryn Mawr-Skyway to Sozopol | 5,958.75 mi (9,589.68 km) |
| Bryn Mawr-Skyway to Sredets | 5,954.36 mi (9,582.61 km) |
| Bryn Mawr-Skyway to Stamboliyski | 5,919.53 mi (9,526.56 km) |
| Bryn Mawr-Skyway to Stara Zagora | 5,921.11 mi (9,529.11 km) |
| Bryn Mawr-Skyway to Svilengrad | 5,974.20 mi (9,614.55 km) |
| Bryn Mawr-Skyway to Svishtov | 5,839.41 mi (9,397.62 km) |
| Bryn Mawr-Skyway to Targovishte | 5,885.18 mi (9,471.29 km) |
| Bryn Mawr-Skyway to Teteven | 5,864.24 mi (9,437.58 km) |
| Bryn Mawr-Skyway to Troyan | 5,874.86 mi (9,454.67 km) |
| Bryn Mawr-Skyway to Tryavna | 5,890.42 mi (9,479.72 km) |
| Bryn Mawr-Skyway to Tutrakan | 5,834.01 mi (9,388.94 km) |
| Bryn Mawr-Skyway to Varna | 5,910.44 mi (9,511.94 km) |
