| Rapperswil-Jona to Popovo | 885.64 mi (1,425.31 km) |
| Rapperswil-Jona to Provadia | 945.58 mi (1,521.77 km) |
| Rapperswil-Jona to Radnevo | 903.50 mi (1,454.04 km) |
| Rapperswil-Jona to Radomir | 761.86 mi (1,226.10 km) |
| Rapperswil-Jona to Rakitovo | 831.66 mi (1,338.42 km) |
| Rapperswil-Jona to Rakovski | 860.35 mi (1,384.60 km) |
| Rapperswil-Jona to Razgrad | 893.74 mi (1,438.33 km) |
| Rapperswil-Jona to Razlog | 808.25 mi (1,300.75 km) |
| Rapperswil-Jona to Ruse | 860.13 mi (1,384.24 km) |
| Rapperswil-Jona to Samokov | 795.95 mi (1,280.96 km) |
| Rapperswil-Jona to Sandanski | 812.07 mi (1,306.90 km) |
| Rapperswil-Jona to Sevlievo | 843.69 mi (1,357.80 km) |
| Rapperswil-Jona to Shumen | 919.75 mi (1,480.19 km) |
| Rapperswil-Jona to Silistra | 913.58 mi (1,470.26 km) |
| Rapperswil-Jona to Sliven | 909.61 mi (1,463.88 km) |
