| Attleboro to Popovo | 4,641.69 mi (7,470.08 km) |
| Attleboro to Provadia | 4,696.75 mi (7,558.70 km) |
| Attleboro to Radnevo | 4,673.16 mi (7,520.72 km) |
| Attleboro to Radomir | 4,540.29 mi (7,306.90 km) |
| Attleboro to Rakitovo | 4,610.19 mi (7,419.38 km) |
| Attleboro to Rakovski | 4,634.04 mi (7,457.77 km) |
| Attleboro to Razgrad | 4,645.46 mi (7,476.15 km) |
| Attleboro to Razlog | 4,588.67 mi (7,384.75 km) |
| Attleboro to Ruse | 4,610.95 mi (7,420.60 km) |
| Attleboro to Samokov | 4,573.94 mi (7,361.05 km) |
| Attleboro to Sandanski | 4,593.78 mi (7,392.98 km) |
| Attleboro to Sevlievo | 4,609.79 mi (7,418.73 km) |
| Attleboro to Shumen | 4,672.56 mi (7,519.76 km) |
| Attleboro to Silistra | 4,650.77 mi (7,484.69 km) |
| Attleboro to Sliven | 4,673.44 mi (7,521.18 km) |
