| Wauwatosa to Popovo | 5,216.72 mi (8,395.50 km) |
| Wauwatosa to Provadia | 5,266.40 mi (8,475.44 km) |
| Wauwatosa to Radnevo | 5,258.92 mi (8,463.42 km) |
| Wauwatosa to Radomir | 5,140.34 mi (8,272.58 km) |
| Wauwatosa to Rakitovo | 5,208.94 mi (8,382.98 km) |
| Wauwatosa to Rakovski | 5,225.32 mi (8,409.34 km) |
| Wauwatosa to Razgrad | 5,217.29 mi (8,396.41 km) |
| Wauwatosa to Razlog | 5,191.64 mi (8,355.13 km) |
| Wauwatosa to Ruse | 5,183.40 mi (8,341.88 km) |
| Wauwatosa to Samokov | 5,172.55 mi (8,324.42 km) |
| Wauwatosa to Sandanski | 5,200.42 mi (8,369.27 km) |
| Wauwatosa to Sevlievo | 5,193.90 mi (8,358.77 km) |
| Wauwatosa to Shumen | 5,244.19 mi (8,439.72 km) |
| Wauwatosa to Silistra | 5,213.25 mi (8,389.92 km) |
| Wauwatosa to Sliven | 5,253.67 mi (8,454.96 km) |
