| Half Moon Bay to Popovo | 6,517.23 mi (10,488.46 km) |
| Half Moon Bay to Provadia | 6,552.31 mi (10,544.93 km) |
| Half Moon Bay to Radnevo | 6,576.88 mi (10,584.47 km) |
| Half Moon Bay to Radomir | 6,495.14 mi (10,452.92 km) |
| Half Moon Bay to Rakitovo | 6,556.02 mi (10,550.89 km) |
| Half Moon Bay to Rakovski | 6,556.66 mi (10,551.92 km) |
| Half Moon Bay to Razgrad | 6,511.55 mi (10,479.32 km) |
| Half Moon Bay to Razlog | 6,548.17 mi (10,538.27 km) |
| Half Moon Bay to Ruse | 6,481.68 mi (10,431.26 km) |
| Half Moon Bay to Samokov | 6,522.13 mi (10,496.36 km) |
| Half Moon Bay to Sandanski | 6,563.39 mi (10,562.76 km) |
| Half Moon Bay to Sevlievo | 6,513.84 mi (10,483.01 km) |
| Half Moon Bay to Shumen | 6,535.85 mi (10,518.44 km) |
| Half Moon Bay to Silistra | 6,489.73 mi (10,444.21 km) |
| Half Moon Bay to Sliven | 6,561.26 mi (10,559.33 km) |
