| Phelan to Smolyan | 6,663.68 mi (10,724.16 km) |
| Phelan to Sofia | 6,561.39 mi (10,559.54 km) |
| Phelan to Sopot | 6,601.49 mi (10,624.07 km) |
| Phelan to Sozopol | 6,689.20 mi (10,765.22 km) |
| Phelan to Sredets | 6,681.09 mi (10,752.17 km) |
| Phelan to Stamboliyski | 6,626.61 mi (10,664.49 km) |
| Phelan to Stara Zagora | 6,637.44 mi (10,681.92 km) |
| Phelan to Svilengrad | 6,691.41 mi (10,768.79 km) |
| Phelan to Svishtov | 6,559.00 mi (10,555.69 km) |
| Phelan to Targovishte | 6,611.54 mi (10,640.24 km) |
| Phelan to Teteven | 6,573.14 mi (10,578.45 km) |
| Phelan to Troyan | 6,586.74 mi (10,600.33 km) |
| Phelan to Tryavna | 6,607.66 mi (10,634.00 km) |
| Phelan to Tutrakan | 6,564.02 mi (10,563.77 km) |
| Phelan to Varna | 6,645.66 mi (10,695.15 km) |
