| Newton Mearns to Smolyan | 1,628.06 mi (2,620.11 km) |
| Newton Mearns to Sofia | 1,523.79 mi (2,452.30 km) |
| Newton Mearns to Sopot | 1,576.77 mi (2,537.57 km) |
| Newton Mearns to Sozopol | 1,695.05 mi (2,727.91 km) |
| Newton Mearns to Sredets | 1,679.98 mi (2,703.66 km) |
| Newton Mearns to Stamboliyski | 1,594.58 mi (2,566.23 km) |
| Newton Mearns to Stara Zagora | 1,619.72 mi (2,606.68 km) |
| Newton Mearns to Svilengrad | 1,672.32 mi (2,691.33 km) |
| Newton Mearns to Svishtov | 1,551.92 mi (2,497.57 km) |
| Newton Mearns to Targovishte | 1,614.37 mi (2,598.07 km) |
| Newton Mearns to Teteven | 1,546.42 mi (2,488.72 km) |
| Newton Mearns to Troyan | 1,564.18 mi (2,517.31 km) |
| Newton Mearns to Tryavna | 1,593.22 mi (2,564.04 km) |
| Newton Mearns to Tutrakan | 1,578.24 mi (2,539.93 km) |
| Newton Mearns to Varna | 1,665.07 mi (2,679.67 km) |
