| Fort Pierce to Popovo | 5,694.17 mi (9,163.89 km) |
| Fort Pierce to Provadia | 5,751.75 mi (9,256.55 km) |
| Fort Pierce to Radnevo | 5,718.32 mi (9,202.74 km) |
| Fort Pierce to Radomir | 5,577.78 mi (8,976.56 km) |
| Fort Pierce to Rakitovo | 5,647.47 mi (9,088.73 km) |
| Fort Pierce to Rakovski | 5,676.11 mi (9,134.82 km) |
| Fort Pierce to Razgrad | 5,699.85 mi (9,173.02 km) |
| Fort Pierce to Razlog | 5,623.29 mi (9,049.82 km) |
| Fort Pierce to Ruse | 5,665.44 mi (9,117.64 km) |
| Fort Pierce to Samokov | 5,611.90 mi (9,031.48 km) |
| Fort Pierce to Sandanski | 5,625.66 mi (9,053.62 km) |
| Fort Pierce to Sevlievo | 5,656.97 mi (9,104.02 km) |
| Fort Pierce to Shumen | 5,726.68 mi (9,216.21 km) |
| Fort Pierce to Silistra | 5,710.62 mi (9,190.36 km) |
| Fort Pierce to Sliven | 5,722.20 mi (9,208.98 km) |
