| Montclair to Smolyan | 6,690.83 mi (10,767.85 km) |
| Montclair to Sofia | 6,588.52 mi (10,603.20 km) |
| Montclair to Sopot | 6,628.66 mi (10,667.80 km) |
| Montclair to Sozopol | 6,716.44 mi (10,809.07 km) |
| Montclair to Sredets | 6,708.32 mi (10,796.00 km) |
| Montclair to Stamboliyski | 6,653.76 mi (10,708.20 km) |
| Montclair to Stara Zagora | 6,664.63 mi (10,725.69 km) |
| Montclair to Svilengrad | 6,718.61 mi (10,812.56 km) |
| Montclair to Svishtov | 6,586.21 mi (10,599.48 km) |
| Montclair to Targovishte | 6,638.77 mi (10,684.07 km) |
| Montclair to Teteven | 6,600.31 mi (10,622.17 km) |
| Montclair to Troyan | 6,613.92 mi (10,644.07 km) |
| Montclair to Tryavna | 6,634.86 mi (10,677.78 km) |
| Montclair to Tutrakan | 6,591.27 mi (10,607.62 km) |
| Montclair to Varna | 6,672.92 mi (10,739.02 km) |
