| Amherst to Popovo | 5,089.83 mi (8,191.28 km) |
| Amherst to Provadia | 5,142.12 mi (8,275.45 km) |
| Amherst to Radnevo | 5,127.27 mi (8,251.55 km) |
| Amherst to Radomir | 5,001.72 mi (8,049.48 km) |
| Amherst to Rakitovo | 5,071.14 mi (8,161.22 km) |
| Amherst to Rakovski | 5,091.03 mi (8,193.22 km) |
| Amherst to Razgrad | 5,091.85 mi (8,194.54 km) |
| Amherst to Razlog | 5,051.83 mi (8,130.13 km) |
| Amherst to Ruse | 5,057.56 mi (8,139.35 km) |
| Amherst to Samokov | 5,034.70 mi (8,102.57 km) |
| Amherst to Sandanski | 5,058.94 mi (8,141.57 km) |
| Amherst to Sevlievo | 5,062.78 mi (8,147.76 km) |
| Amherst to Shumen | 5,118.94 mi (8,238.13 km) |
| Amherst to Silistra | 5,092.02 mi (8,194.82 km) |
| Amherst to Sliven | 5,124.54 mi (8,247.14 km) |
