| Chesterton to Smolyan | 5,286.09 mi (8,507.14 km) |
| Chesterton to Sofia | 5,182.01 mi (8,339.64 km) |
| Chesterton to Sopot | 5,236.41 mi (8,427.19 km) |
| Chesterton to Sozopol | 5,353.86 mi (8,616.21 km) |
| Chesterton to Sredets | 5,339.37 mi (8,592.89 km) |
| Chesterton to Stamboliyski | 5,253.40 mi (8,454.53 km) |
| Chesterton to Stara Zagora | 5,279.58 mi (8,496.66 km) |
| Chesterton to Svilengrad | 5,332.08 mi (8,581.16 km) |
| Chesterton to Svishtov | 5,211.38 mi (8,386.90 km) |
| Chesterton to Targovishte | 5,273.14 mi (8,486.30 km) |
| Chesterton to Teteven | 5,205.99 mi (8,378.23 km) |
| Chesterton to Troyan | 5,223.96 mi (8,407.15 km) |
| Chesterton to Tryavna | 5,253.08 mi (8,454.02 km) |
| Chesterton to Tutrakan | 5,235.16 mi (8,425.18 km) |
| Chesterton to Varna | 5,321.79 mi (8,564.60 km) |
