| Forest Hill to Popovo | 6,089.39 mi (9,799.93 km) |
| Forest Hill to Provadia | 6,139.75 mi (9,880.97 km) |
| Forest Hill to Radnevo | 6,130.25 mi (9,865.69 km) |
| Forest Hill to Radomir | 6,009.17 mi (9,670.82 km) |
| Forest Hill to Rakitovo | 6,078.13 mi (9,781.80 km) |
| Forest Hill to Rakovski | 6,095.77 mi (9,810.20 km) |
| Forest Hill to Razgrad | 6,090.33 mi (9,801.44 km) |
| Forest Hill to Razlog | 6,060.03 mi (9,752.68 km) |
| Forest Hill to Ruse | 6,056.32 mi (9,746.71 km) |
| Forest Hill to Samokov | 6,041.69 mi (9,723.17 km) |
| Forest Hill to Sandanski | 6,068.14 mi (9,765.73 km) |
| Forest Hill to Sevlievo | 6,065.35 mi (9,761.24 km) |
| Forest Hill to Shumen | 6,117.30 mi (9,844.84 km) |
| Forest Hill to Silistra | 6,087.25 mi (9,796.48 km) |
| Forest Hill to Sliven | 6,125.75 mi (9,858.44 km) |
