| Rapperswil-Jona to Smolyan | 873.17 mi (1,405.24 km) |
| Rapperswil-Jona to Sofia | 773.63 mi (1,245.04 km) |
| Rapperswil-Jona to Sopot | 838.87 mi (1,350.03 km) |
| Rapperswil-Jona to Sozopol | 980.16 mi (1,577.42 km) |
| Rapperswil-Jona to Sredets | 959.39 mi (1,543.98 km) |
| Rapperswil-Jona to Stamboliyski | 846.32 mi (1,362.02 km) |
| Rapperswil-Jona to Stara Zagora | 886.41 mi (1,426.54 km) |
| Rapperswil-Jona to Svilengrad | 933.25 mi (1,501.91 km) |
| Rapperswil-Jona to Svishtov | 837.69 mi (1,348.12 km) |
| Rapperswil-Jona to Targovishte | 904.54 mi (1,455.71 km) |
| Rapperswil-Jona to Teteven | 808.65 mi (1,301.39 km) |
| Rapperswil-Jona to Troyan | 830.03 mi (1,335.80 km) |
| Rapperswil-Jona to Tryavna | 866.08 mi (1,393.82 km) |
| Rapperswil-Jona to Tutrakan | 885.21 mi (1,424.62 km) |
| Rapperswil-Jona to Varna | 967.01 mi (1,556.25 km) |
