| Kaukauna to Smolyan | 5,200.05 mi (8,368.66 km) |
| Kaukauna to Sofia | 5,095.76 mi (8,200.84 km) |
| Kaukauna to Sopot | 5,147.94 mi (8,284.81 km) |
| Kaukauna to Sozopol | 5,261.01 mi (8,466.78 km) |
| Kaukauna to Sredets | 5,247.49 mi (8,445.02 km) |
| Kaukauna to Stamboliyski | 5,166.43 mi (8,314.56 km) |
| Kaukauna to Stara Zagora | 5,190.09 mi (8,352.65 km) |
| Kaukauna to Svilengrad | 5,243.11 mi (8,437.97 km) |
| Kaukauna to Svishtov | 5,119.82 mi (8,239.55 km) |
| Kaukauna to Targovishte | 5,180.37 mi (8,337.00 km) |
| Kaukauna to Teteven | 5,117.72 mi (8,236.18 km) |
| Kaukauna to Troyan | 5,135.03 mi (8,264.04 km) |
| Kaukauna to Tryavna | 5,162.91 mi (8,308.90 km) |
| Kaukauna to Tutrakan | 5,140.64 mi (8,273.06 km) |
| Kaukauna to Varna | 5,226.92 mi (8,411.91 km) |
