| Friedrichshafen to Popovo | 861.75 mi (1,386.85 km) |
| Friedrichshafen to Provadia | 921.10 mi (1,482.36 km) |
| Friedrichshafen to Radnevo | 882.62 mi (1,420.44 km) |
| Friedrichshafen to Radomir | 743.90 mi (1,197.20 km) |
| Friedrichshafen to Rakitovo | 813.83 mi (1,309.73 km) |
| Friedrichshafen to Rakovski | 840.58 mi (1,352.79 km) |
| Friedrichshafen to Razgrad | 869.13 mi (1,398.73 km) |
| Friedrichshafen to Razlog | 791.55 mi (1,273.88 km) |
| Friedrichshafen to Ruse | 835.22 mi (1,344.15 km) |
| Friedrichshafen to Samokov | 777.81 mi (1,251.76 km) |
| Friedrichshafen to Sandanski | 796.55 mi (1,281.92 km) |
| Friedrichshafen to Sevlievo | 821.74 mi (1,322.46 km) |
| Friedrichshafen to Shumen | 895.42 mi (1,441.05 km) |
| Friedrichshafen to Silistra | 886.94 mi (1,427.40 km) |
| Friedrichshafen to Sliven | 887.34 mi (1,428.04 km) |
