| Watauga to Popovo | 6,077.34 mi (9,780.53 km) |
| Watauga to Provadia | 6,127.62 mi (9,861.46 km) |
| Watauga to Radnevo | 6,118.33 mi (9,846.50 km) |
| Watauga to Radomir | 5,997.44 mi (9,651.95 km) |
| Watauga to Rakitovo | 6,066.38 mi (9,762.89 km) |
| Watauga to Rakovski | 6,083.92 mi (9,791.13 km) |
| Watauga to Razgrad | 6,078.24 mi (9,781.98 km) |
| Watauga to Razlog | 6,048.34 mi (9,733.87 km) |
| Watauga to Ruse | 6,044.25 mi (9,727.28 km) |
| Watauga to Samokov | 6,029.95 mi (9,704.26 km) |
| Watauga to Sandanski | 6,056.50 mi (9,747.00 km) |
| Watauga to Sevlievo | 6,053.42 mi (9,742.03 km) |
| Watauga to Shumen | 6,105.20 mi (9,825.37 km) |
| Watauga to Silistra | 6,075.05 mi (9,776.85 km) |
| Watauga to Sliven | 6,113.75 mi (9,839.14 km) |
