| Leavenworth to Popovo | 5,646.49 mi (9,087.15 km) |
| Leavenworth to Provadia | 5,695.20 mi (9,165.54 km) |
| Leavenworth to Radnevo | 5,690.21 mi (9,157.50 km) |
| Leavenworth to Radomir | 5,573.86 mi (8,970.26 km) |
| Leavenworth to Rakitovo | 5,642.15 mi (9,080.16 km) |
| Leavenworth to Rakovski | 5,657.47 mi (9,104.82 km) |
| Leavenworth to Razgrad | 5,646.56 mi (9,087.27 km) |
| Leavenworth to Razlog | 5,625.44 mi (9,053.26 km) |
| Leavenworth to Ruse | 5,612.86 mi (9,033.03 km) |
| Leavenworth to Samokov | 5,605.82 mi (9,021.69 km) |
| Leavenworth to Sandanski | 5,634.68 mi (9,068.14 km) |
| Leavenworth to Sevlievo | 5,625.09 mi (9,052.71 km) |
| Leavenworth to Shumen | 5,673.37 mi (9,130.41 km) |
| Leavenworth to Silistra | 5,641.05 mi (9,078.39 km) |
| Leavenworth to Sliven | 5,684.14 mi (9,147.74 km) |
