| Harrison to Popovo | 4,778.54 mi (7,690.31 km) |
| Harrison to Provadia | 4,833.36 mi (7,778.55 km) |
| Harrison to Radnevo | 4,810.54 mi (7,741.82 km) |
| Harrison to Radomir | 4,678.24 mi (7,528.90 km) |
| Harrison to Rakitovo | 4,748.12 mi (7,641.36 km) |
| Harrison to Rakovski | 4,771.66 mi (7,679.24 km) |
| Harrison to Razgrad | 4,782.14 mi (7,696.12 km) |
| Harrison to Razlog | 4,726.76 mi (7,606.99 km) |
| Harrison to Ruse | 4,747.64 mi (7,640.59 km) |
| Harrison to Samokov | 4,711.84 mi (7,582.98 km) |
| Harrison to Sandanski | 4,732.03 mi (7,615.47 km) |
| Harrison to Sevlievo | 4,747.05 mi (7,639.64 km) |
| Harrison to Shumen | 4,809.25 mi (7,739.74 km) |
| Harrison to Silistra | 4,786.97 mi (7,703.89 km) |
| Harrison to Sliven | 4,810.56 mi (7,741.85 km) |
