| Waukesha to Popovo | 5,226.70 mi (8,411.56 km) |
| Waukesha to Provadia | 5,276.32 mi (8,491.42 km) |
| Waukesha to Radnevo | 5,268.98 mi (8,479.61 km) |
| Waukesha to Radomir | 5,150.53 mi (8,288.98 km) |
| Waukesha to Rakitovo | 5,219.11 mi (8,399.35 km) |
| Waukesha to Rakovski | 5,235.43 mi (8,425.61 km) |
| Waukesha to Razgrad | 5,227.24 mi (8,412.43 km) |
| Waukesha to Razlog | 5,201.84 mi (8,371.56 km) |
| Waukesha to Ruse | 5,193.36 mi (8,357.91 km) |
| Waukesha to Samokov | 5,182.73 mi (8,340.79 km) |
| Waukesha to Sandanski | 5,210.66 mi (8,385.74 km) |
| Waukesha to Sevlievo | 5,203.95 mi (8,374.95 km) |
| Waukesha to Shumen | 5,254.14 mi (8,455.72 km) |
| Waukesha to Silistra | 5,223.13 mi (8,405.81 km) |
| Waukesha to Sliven | 5,263.68 mi (8,471.08 km) |
