| Atherton to Popovo | 1,478.49 mi (2,379.39 km) |
| Atherton to Provadia | 1,532.99 mi (2,467.10 km) |
| Atherton to Radnevo | 1,512.96 mi (2,434.87 km) |
| Atherton to Radomir | 1,387.16 mi (2,232.43 km) |
| Atherton to Rakitovo | 1,456.41 mi (2,343.86 km) |
| Atherton to Rakovski | 1,476.10 mi (2,375.55 km) |
| Atherton to Razgrad | 1,481.83 mi (2,384.77 km) |
| Atherton to Razlog | 1,437.75 mi (2,313.84 km) |
| Atherton to Ruse | 1,447.33 mi (2,329.26 km) |
| Atherton to Samokov | 1,419.96 mi (2,285.20 km) |
| Atherton to Sandanski | 1,445.75 mi (2,326.72 km) |
| Atherton to Sevlievo | 1,448.79 mi (2,331.59 km) |
| Atherton to Shumen | 1,508.94 mi (2,428.41 km) |
| Atherton to Silistra | 1,486.97 mi (2,393.05 km) |
| Atherton to Sliven | 1,511.45 mi (2,432.44 km) |
