| Wisconsin Rapids to Popovo | 5,210.11 mi (8,384.86 km) |
| Wisconsin Rapids to Provadia | 5,258.55 mi (8,462.82 km) |
| Wisconsin Rapids to Radnevo | 5,254.32 mi (8,456.01 km) |
| Wisconsin Rapids to Radomir | 5,139.05 mi (8,270.51 km) |
| Wisconsin Rapids to Rakitovo | 5,207.16 mi (8,380.11 km) |
| Wisconsin Rapids to Rakovski | 5,221.95 mi (8,403.92 km) |
| Wisconsin Rapids to Razgrad | 5,210.04 mi (8,384.75 km) |
| Wisconsin Rapids to Razlog | 5,190.78 mi (8,353.76 km) |
| Wisconsin Rapids to Ruse | 5,176.39 mi (8,330.60 km) |
| Wisconsin Rapids to Samokov | 5,170.86 mi (8,321.70 km) |
| Wisconsin Rapids to Sandanski | 5,200.30 mi (8,369.08 km) |
| Wisconsin Rapids to Sevlievo | 5,189.18 mi (8,351.18 km) |
| Wisconsin Rapids to Shumen | 5,236.82 mi (8,427.84 km) |
| Wisconsin Rapids to Silistra | 5,204.18 mi (8,375.32 km) |
| Wisconsin Rapids to Sliven | 5,247.97 mi (8,445.79 km) |
