| Ballwin to Popovo | 5,533.63 mi (8,905.52 km) |
| Ballwin to Provadia | 5,584.30 mi (8,987.07 km) |
| Ballwin to Radnevo | 5,574.05 mi (8,970.57 km) |
| Ballwin to Radomir | 5,452.55 mi (8,775.03 km) |
| Ballwin to Rakitovo | 5,521.55 mi (8,886.07 km) |
| Ballwin to Rakovski | 5,539.38 mi (8,914.77 km) |
| Ballwin to Razgrad | 5,534.74 mi (8,907.30 km) |
| Ballwin to Razlog | 5,503.38 mi (8,856.83 km) |
| Ballwin to Ruse | 5,500.68 mi (8,852.49 km) |
| Ballwin to Samokov | 5,485.11 mi (8,827.43 km) |
| Ballwin to Sandanski | 5,511.45 mi (8,869.82 km) |
| Ballwin to Sevlievo | 5,509.19 mi (8,866.18 km) |
| Ballwin to Shumen | 5,561.73 mi (8,950.74 km) |
| Ballwin to Silistra | 5,532.21 mi (8,903.22 km) |
| Ballwin to Sliven | 5,569.77 mi (8,963.67 km) |
