| Davidson to Smolyan | 5,331.17 mi (8,579.69 km) |
| Davidson to Sofia | 5,229.07 mi (8,415.37 km) |
| Davidson to Sopot | 5,289.57 mi (8,512.74 km) |
| Davidson to Sozopol | 5,419.06 mi (8,721.13 km) |
| Davidson to Sredets | 5,401.73 mi (8,693.25 km) |
| Davidson to Stamboliyski | 5,301.75 mi (8,532.34 km) |
| Davidson to Stara Zagora | 5,335.30 mi (8,586.33 km) |
| Davidson to Svilengrad | 5,385.54 mi (8,667.19 km) |
| Davidson to Svishtov | 5,274.37 mi (8,488.29 km) |
| Davidson to Targovishte | 5,339.10 mi (8,592.45 km) |
| Davidson to Teteven | 5,258.91 mi (8,463.40 km) |
| Davidson to Troyan | 5,278.68 mi (8,495.22 km) |
| Davidson to Tryavna | 5,311.27 mi (8,547.67 km) |
| Davidson to Tutrakan | 5,307.06 mi (8,540.89 km) |
| Davidson to Varna | 5,393.69 mi (8,680.30 km) |
