| Upper Montclair to Smolyan | 4,817.60 mi (7,753.17 km) |
| Upper Montclair to Sofia | 4,715.23 mi (7,588.42 km) |
| Upper Montclair to Sopot | 4,775.26 mi (7,685.03 km) |
| Upper Montclair to Sozopol | 4,903.98 mi (7,892.20 km) |
| Upper Montclair to Sredets | 4,886.83 mi (7,864.59 km) |
| Upper Montclair to Stamboliyski | 4,787.85 mi (7,705.30 km) |
| Upper Montclair to Stara Zagora | 4,820.82 mi (7,758.35 km) |
| Upper Montclair to Svilengrad | 4,871.27 mi (7,839.55 km) |
| Upper Montclair to Svishtov | 4,759.36 mi (7,659.44 km) |
| Upper Montclair to Targovishte | 4,823.94 mi (7,763.38 km) |
| Upper Montclair to Teteven | 4,744.59 mi (7,635.68 km) |
| Upper Montclair to Troyan | 4,764.24 mi (7,667.30 km) |
| Upper Montclair to Tryavna | 4,796.60 mi (7,719.38 km) |
| Upper Montclair to Tutrakan | 4,791.58 mi (7,711.31 km) |
| Upper Montclair to Varna | 4,878.25 mi (7,850.78 km) |
