| Ithaca to Smolyan | 4,842.19 mi (7,792.75 km) |
| Ithaca to Sofia | 4,739.05 mi (7,626.76 km) |
| Ithaca to Sopot | 4,797.27 mi (7,720.47 km) |
| Ithaca to Sozopol | 4,922.46 mi (7,921.94 km) |
| Ithaca to Sredets | 4,906.16 mi (7,895.71 km) |
| Ithaca to Stamboliyski | 4,811.39 mi (7,743.18 km) |
| Ithaca to Stara Zagora | 4,842.11 mi (7,792.62 km) |
| Ithaca to Svilengrad | 4,893.35 mi (7,875.08 km) |
| Ithaca to Svishtov | 4,778.27 mi (7,689.89 km) |
| Ithaca to Targovishte | 4,842.04 mi (7,792.52 km) |
| Ithaca to Teteven | 4,766.64 mi (7,671.16 km) |
| Ithaca to Troyan | 4,785.75 mi (7,701.92 km) |
| Ithaca to Tryavna | 4,817.08 mi (7,752.34 km) |
| Ithaca to Tutrakan | 4,807.77 mi (7,737.36 km) |
| Ithaca to Varna | 4,894.59 mi (7,877.08 km) |
