| Carterton to Smolyan | 1,419.72 mi (2,284.82 km) |
| Carterton to Sofia | 1,316.97 mi (2,119.45 km) |
| Carterton to Sopot | 1,376.90 mi (2,215.90 km) |
| Carterton to Sozopol | 1,508.06 mi (2,426.99 km) |
| Carterton to Sredets | 1,490.01 mi (2,397.93 km) |
| Carterton to Stamboliyski | 1,389.52 mi (2,236.21 km) |
| Carterton to Stara Zagora | 1,422.68 mi (2,289.58 km) |
| Carterton to Svilengrad | 1,472.88 mi (2,370.37 km) |
| Carterton to Svishtov | 1,363.27 mi (2,193.97 km) |
| Carterton to Targovishte | 1,428.74 mi (2,299.33 km) |
| Carterton to Teteven | 1,346.24 mi (2,166.56 km) |
| Carterton to Troyan | 1,366.04 mi (2,198.43 km) |
| Carterton to Tryavna | 1,398.94 mi (2,251.37 km) |
| Carterton to Tutrakan | 1,399.83 mi (2,252.80 km) |
| Carterton to Varna | 1,485.71 mi (2,391.02 km) |
