| Davis to Popovo | 6,433.25 mi (10,353.31 km) |
| Davis to Provadia | 6,468.42 mi (10,409.92 km) |
| Davis to Radnevo | 6,492.83 mi (10,449.20 km) |
| Davis to Radomir | 6,410.95 mi (10,317.43 km) |
| Davis to Rakitovo | 6,471.86 mi (10,415.45 km) |
| Davis to Rakovski | 6,472.55 mi (10,416.56 km) |
| Davis to Razgrad | 6,427.60 mi (10,344.22 km) |
| Davis to Razlog | 6,463.99 mi (10,402.78 km) |
| Davis to Ruse | 6,397.70 mi (10,296.11 km) |
| Davis to Samokov | 6,437.96 mi (10,360.90 km) |
| Davis to Sandanski | 6,479.19 mi (10,427.25 km) |
| Davis to Sevlievo | 6,429.77 mi (10,347.71 km) |
| Davis to Shumen | 6,451.92 mi (10,383.36 km) |
| Davis to Silistra | 6,405.87 mi (10,309.26 km) |
| Davis to Sliven | 6,477.25 mi (10,424.13 km) |
