| Elizabethton to Popovo | 5,335.57 mi (8,586.77 km) |
| Elizabethton to Provadia | 5,389.84 mi (8,674.12 km) |
| Elizabethton to Radnevo | 5,368.75 mi (8,640.17 km) |
| Elizabethton to Radomir | 5,237.61 mi (8,429.12 km) |
| Elizabethton to Rakitovo | 5,307.45 mi (8,541.51 km) |
| Elizabethton to Rakovski | 5,330.35 mi (8,578.37 km) |
| Elizabethton to Razgrad | 5,338.82 mi (8,591.99 km) |
| Elizabethton to Razlog | 5,286.41 mi (8,507.65 km) |
| Elizabethton to Ruse | 5,304.34 mi (8,536.51 km) |
| Elizabethton to Samokov | 5,271.13 mi (8,483.06 km) |
| Elizabethton to Sandanski | 5,291.96 mi (8,516.58 km) |
| Elizabethton to Sevlievo | 5,305.02 mi (8,537.61 km) |
| Elizabethton to Shumen | 5,365.93 mi (8,635.64 km) |
| Elizabethton to Silistra | 5,342.51 mi (8,597.94 km) |
| Elizabethton to Sliven | 5,368.20 mi (8,639.29 km) |
