| Gutersloh to Smolyan | 1,046.78 mi (1,684.63 km) |
| Gutersloh to Sofia | 942.48 mi (1,516.78 km) |
| Gutersloh to Sopot | 994.58 mi (1,600.62 km) |
| Gutersloh to Sozopol | 1,113.68 mi (1,792.30 km) |
| Gutersloh to Sredets | 1,098.18 mi (1,767.34 km) |
| Gutersloh to Stamboliyski | 1,012.84 mi (1,630.01 km) |
| Gutersloh to Stara Zagora | 1,037.44 mi (1,669.60 km) |
| Gutersloh to Svilengrad | 1,090.06 mi (1,754.28 km) |
| Gutersloh to Svishtov | 970.11 mi (1,561.24 km) |
| Gutersloh to Targovishte | 1,033.10 mi (1,662.61 km) |
| Gutersloh to Teteven | 964.26 mi (1,551.83 km) |
| Gutersloh to Troyan | 981.93 mi (1,580.26 km) |
| Gutersloh to Tryavna | 1,011.00 mi (1,627.05 km) |
| Gutersloh to Tutrakan | 998.46 mi (1,606.87 km) |
| Gutersloh to Varna | 1,085.26 mi (1,746.56 km) |
