| Lone Tree to Popovo | 5,948.20 mi (9,572.70 km) |
| Lone Tree to Provadia | 5,992.44 mi (9,643.90 km) |
| Lone Tree to Radnevo | 5,998.24 mi (9,653.23 km) |
| Lone Tree to Radomir | 5,893.39 mi (9,484.50 km) |
| Lone Tree to Rakitovo | 5,959.66 mi (9,591.15 km) |
| Lone Tree to Rakovski | 5,969.75 mi (9,607.38 km) |
| Lone Tree to Razgrad | 5,946.16 mi (9,569.42 km) |
| Lone Tree to Razlog | 5,946.03 mi (9,569.22 km) |
| Lone Tree to Ruse | 5,913.50 mi (9,516.86 km) |
| Lone Tree to Samokov | 5,923.85 mi (9,533.52 km) |
| Lone Tree to Sandanski | 5,957.57 mi (9,587.78 km) |
| Lone Tree to Sevlievo | 5,933.19 mi (9,548.54 km) |
| Lone Tree to Shumen | 5,972.34 mi (9,611.56 km) |
| Lone Tree to Silistra | 5,934.59 mi (9,550.80 km) |
| Lone Tree to Sliven | 5,988.60 mi (9,637.73 km) |
