| Dardenne Prairie to Smolyan | 5,562.20 mi (8,951.49 km) |
| Dardenne Prairie to Sofia | 5,458.12 mi (8,783.99 km) |
| Dardenne Prairie to Sopot | 5,512.48 mi (8,871.48 km) |
| Dardenne Prairie to Sozopol | 5,629.72 mi (9,060.16 km) |
| Dardenne Prairie to Sredets | 5,615.29 mi (9,036.94 km) |
| Dardenne Prairie to Stamboliyski | 5,529.50 mi (8,898.87 km) |
| Dardenne Prairie to Stara Zagora | 5,555.61 mi (8,940.89 km) |
| Dardenne Prairie to Svilengrad | 5,608.13 mi (9,025.42 km) |
| Dardenne Prairie to Svishtov | 5,487.31 mi (8,830.96 km) |
| Dardenne Prairie to Targovishte | 5,549.00 mi (8,930.25 km) |
| Dardenne Prairie to Teteven | 5,482.06 mi (8,822.52 km) |
| Dardenne Prairie to Troyan | 5,500.01 mi (8,851.41 km) |
| Dardenne Prairie to Tryavna | 5,529.09 mi (8,898.20 km) |
| Dardenne Prairie to Tutrakan | 5,510.88 mi (8,868.91 km) |
| Dardenne Prairie to Varna | 5,597.49 mi (9,008.29 km) |
