| Claiborne to Popovo | 5,911.90 mi (9,514.29 km) |
| Claiborne to Provadia | 5,964.28 mi (9,598.57 km) |
| Claiborne to Radnevo | 5,949.03 mi (9,574.04 km) |
| Claiborne to Radomir | 5,822.68 mi (9,370.69 km) |
| Claiborne to Rakitovo | 5,892.20 mi (9,482.57 km) |
| Claiborne to Rakovski | 5,912.53 mi (9,515.29 km) |
| Claiborne to Razgrad | 5,913.98 mi (9,517.63 km) |
| Claiborne to Razlog | 5,872.57 mi (9,451.00 km) |
| Claiborne to Ruse | 5,879.68 mi (9,462.42 km) |
| Claiborne to Samokov | 5,855.76 mi (9,423.94 km) |
| Claiborne to Sandanski | 5,879.39 mi (9,461.96 km) |
| Claiborne to Sevlievo | 5,884.60 mi (9,470.35 km) |
| Claiborne to Shumen | 5,941.07 mi (9,561.23 km) |
| Claiborne to Silistra | 5,914.19 mi (9,517.97 km) |
| Claiborne to Sliven | 5,946.49 mi (9,569.95 km) |
