| Milwaukee to Popovo | 5,214.26 mi (8,391.55 km) |
| Milwaukee to Provadia | 5,263.96 mi (8,471.53 km) |
| Milwaukee to Radnevo | 5,256.43 mi (8,459.41 km) |
| Milwaukee to Radomir | 5,137.79 mi (8,268.48 km) |
| Milwaukee to Rakitovo | 5,206.40 mi (8,378.89 km) |
| Milwaukee to Rakovski | 5,222.81 mi (8,405.30 km) |
| Milwaukee to Razgrad | 5,214.85 mi (8,392.48 km) |
| Milwaukee to Razlog | 5,189.08 mi (8,351.02 km) |
| Milwaukee to Ruse | 5,180.96 mi (8,337.94 km) |
| Milwaukee to Samokov | 5,170.01 mi (8,320.33 km) |
| Milwaukee to Sandanski | 5,197.85 mi (8,365.14 km) |
| Milwaukee to Sevlievo | 5,191.41 mi (8,354.76 km) |
| Milwaukee to Shumen | 5,241.75 mi (8,435.79 km) |
| Milwaukee to Silistra | 5,210.85 mi (8,386.05 km) |
| Milwaukee to Sliven | 5,251.20 mi (8,450.98 km) |
