| Fort Walton Beach to Popovo | 5,805.60 mi (9,343.20 km) |
| Fort Walton Beach to Provadia | 5,860.57 mi (9,431.68 km) |
| Fort Walton Beach to Radnevo | 5,837.02 mi (9,393.78 km) |
| Fort Walton Beach to Radomir | 5,703.67 mi (9,179.18 km) |
| Fort Walton Beach to Rakitovo | 5,773.59 mi (9,291.69 km) |
| Fort Walton Beach to Rakovski | 5,797.77 mi (9,330.61 km) |
| Fort Walton Beach to Razgrad | 5,809.31 mi (9,349.18 km) |
| Fort Walton Beach to Razlog | 5,751.82 mi (9,256.66 km) |
| Fort Walton Beach to Ruse | 5,774.80 mi (9,293.64 km) |
| Fort Walton Beach to Samokov | 5,737.38 mi (9,233.42 km) |
| Fort Walton Beach to Sandanski | 5,756.65 mi (9,264.44 km) |
| Fort Walton Beach to Sevlievo | 5,773.69 mi (9,291.85 km) |
| Fort Walton Beach to Shumen | 5,836.41 mi (9,392.80 km) |
| Fort Walton Beach to Silistra | 5,814.31 mi (9,357.22 km) |
| Fort Walton Beach to Sliven | 5,837.37 mi (9,394.34 km) |
