| Clearfield to Popovo | 6,050.34 mi (9,737.08 km) |
| Clearfield to Provadia | 6,090.29 mi (9,801.38 km) |
| Clearfield to Radnevo | 6,105.37 mi (9,825.64 km) |
| Clearfield to Radomir | 6,011.58 mi (9,674.70 km) |
| Clearfield to Rakitovo | 6,075.44 mi (9,777.47 km) |
| Clearfield to Rakovski | 6,080.85 mi (9,786.18 km) |
| Clearfield to Razgrad | 6,046.50 mi (9,730.90 km) |
| Clearfield to Razlog | 6,064.65 mi (9,760.11 km) |
| Clearfield to Ruse | 6,015.06 mi (9,680.30 km) |
| Clearfield to Samokov | 6,040.43 mi (9,721.14 km) |
| Clearfield to Sandanski | 6,078.09 mi (9,781.74 km) |
| Clearfield to Sevlievo | 6,041.01 mi (9,722.06 km) |
| Clearfield to Shumen | 6,071.88 mi (9,771.75 km) |
| Clearfield to Silistra | 6,029.84 mi (9,704.09 km) |
| Clearfield to Sliven | 6,092.72 mi (9,805.29 km) |
