| Armthorpe to Smolyan | 1,444.44 mi (2,324.60 km) |
| Armthorpe to Sofia | 1,340.49 mi (2,157.30 km) |
| Armthorpe to Sopot | 1,396.45 mi (2,247.37 km) |
| Armthorpe to Sozopol | 1,520.58 mi (2,447.14 km) |
| Armthorpe to Sredets | 1,504.16 mi (2,420.71 km) |
| Armthorpe to Stamboliyski | 1,412.18 mi (2,272.69 km) |
| Armthorpe to Stara Zagora | 1,440.70 mi (2,318.59 km) |
| Armthorpe to Svilengrad | 1,492.44 mi (2,401.84 km) |
| Armthorpe to Svishtov | 1,376.29 mi (2,214.92 km) |
| Armthorpe to Targovishte | 1,440.26 mi (2,317.88 km) |
| Armthorpe to Teteven | 1,365.88 mi (2,198.17 km) |
| Armthorpe to Troyan | 1,384.54 mi (2,228.21 km) |
| Armthorpe to Tryavna | 1,415.30 mi (2,277.70 km) |
| Armthorpe to Tutrakan | 1,407.25 mi (2,264.75 km) |
| Armthorpe to Varna | 1,493.93 mi (2,404.25 km) |
