| West Palm Beach to Popovo | 5,718.38 mi (9,202.84 km) |
| West Palm Beach to Provadia | 5,776.18 mi (9,295.87 km) |
| West Palm Beach to Radnevo | 5,741.76 mi (9,240.47 km) |
| West Palm Beach to Radomir | 5,600.57 mi (9,013.24 km) |
| West Palm Beach to Rakitovo | 5,670.19 mi (9,125.29 km) |
| West Palm Beach to Rakovski | 5,699.28 mi (9,172.10 km) |
| West Palm Beach to Razgrad | 5,724.25 mi (9,212.29 km) |
| West Palm Beach to Razlog | 5,645.78 mi (9,086.01 km) |
| West Palm Beach to Ruse | 5,689.87 mi (9,156.96 km) |
| West Palm Beach to Samokov | 5,634.71 mi (9,068.19 km) |
| West Palm Beach to Sandanski | 5,647.88 mi (9,089.39 km) |
| West Palm Beach to Sevlievo | 5,680.66 mi (9,142.14 km) |
| West Palm Beach to Shumen | 5,751.04 mi (9,255.40 km) |
| West Palm Beach to Silistra | 5,735.60 mi (9,230.55 km) |
| West Palm Beach to Sliven | 5,746.00 mi (9,247.29 km) |
