| Euless to Smolyan | 6,103.22 mi (9,822.18 km) |
| Euless to Sofia | 5,999.14 mi (9,654.69 km) |
| Euless to Sopot | 6,053.48 mi (9,742.13 km) |
| Euless to Sozopol | 6,170.44 mi (9,930.36 km) |
| Euless to Sredets | 6,156.10 mi (9,907.28 km) |
| Euless to Stamboliyski | 6,070.52 mi (9,769.57 km) |
| Euless to Stara Zagora | 6,096.57 mi (9,811.49 km) |
| Euless to Svilengrad | 6,149.12 mi (9,896.05 km) |
| Euless to Svishtov | 6,028.13 mi (9,701.34 km) |
| Euless to Targovishte | 6,089.72 mi (9,800.45 km) |
| Euless to Teteven | 6,023.07 mi (9,693.19 km) |
| Euless to Troyan | 6,040.99 mi (9,722.04 km) |
| Euless to Tryavna | 6,070.01 mi (9,768.74 km) |
| Euless to Tutrakan | 6,051.39 mi (9,738.77 km) |
| Euless to Varna | 6,137.95 mi (9,878.08 km) |
