| Colorado Springs to Smolyan | 6,034.82 mi (9,712.10 km) |
| Colorado Springs to Sofia | 5,930.89 mi (9,544.84 km) |
| Colorado Springs to Sopot | 5,977.50 mi (9,619.85 km) |
| Colorado Springs to Sozopol | 6,078.90 mi (9,783.04 km) |
| Colorado Springs to Sredets | 6,067.94 mi (9,765.40 km) |
| Colorado Springs to Stamboliyski | 5,999.32 mi (9,654.97 km) |
| Colorado Springs to Stara Zagora | 6,016.88 mi (9,683.24 km) |
| Colorado Springs to Svilengrad | 6,070.70 mi (9,769.85 km) |
| Colorado Springs to Svishtov | 5,942.16 mi (9,562.99 km) |
| Colorado Springs to Targovishte | 5,999.18 mi (9,654.75 km) |
| Colorado Springs to Teteven | 5,948.01 mi (9,572.39 km) |
| Colorado Springs to Troyan | 5,963.61 mi (9,597.50 km) |
| Colorado Springs to Tryavna | 5,988.26 mi (9,637.17 km) |
| Colorado Springs to Tutrakan | 5,955.35 mi (9,584.20 km) |
| Colorado Springs to Varna | 6,039.93 mi (9,720.34 km) |
