| Sheboygan to Popovo | 5,172.18 mi (8,323.81 km) |
| Sheboygan to Provadia | 5,221.66 mi (8,403.44 km) |
| Sheboygan to Radnevo | 5,214.72 mi (8,392.28 km) |
| Sheboygan to Radomir | 5,096.71 mi (8,202.36 km) |
| Sheboygan to Rakitovo | 5,165.23 mi (8,312.63 km) |
| Sheboygan to Rakovski | 5,181.33 mi (8,338.55 km) |
| Sheboygan to Razgrad | 5,172.64 mi (8,324.56 km) |
| Sheboygan to Razlog | 5,148.09 mi (8,285.05 km) |
| Sheboygan to Ruse | 5,138.79 mi (8,270.09 km) |
| Sheboygan to Samokov | 5,128.85 mi (8,254.09 km) |
| Sheboygan to Sandanski | 5,157.01 mi (8,299.40 km) |
| Sheboygan to Sevlievo | 5,149.67 mi (8,287.59 km) |
| Sheboygan to Shumen | 5,199.53 mi (8,367.83 km) |
| Sheboygan to Silistra | 5,168.31 mi (8,317.60 km) |
| Sheboygan to Sliven | 5,209.28 mi (8,383.53 km) |
