| Woonsocket to Popovo | 4,646.89 mi (7,478.44 km) |
| Woonsocket to Provadia | 4,701.87 mi (7,566.93 km) |
| Woonsocket to Radnevo | 4,678.54 mi (7,529.38 km) |
| Woonsocket to Radomir | 4,545.89 mi (7,315.90 km) |
| Woonsocket to Rakitovo | 4,615.78 mi (7,428.38 km) |
| Woonsocket to Rakovski | 4,639.51 mi (7,466.57 km) |
| Woonsocket to Razgrad | 4,650.60 mi (7,484.42 km) |
| Woonsocket to Razlog | 4,594.32 mi (7,393.85 km) |
| Woonsocket to Ruse | 4,616.09 mi (7,428.88 km) |
| Woonsocket to Samokov | 4,579.52 mi (7,370.03 km) |
| Woonsocket to Sandanski | 4,599.50 mi (7,402.18 km) |
| Woonsocket to Sevlievo | 4,615.13 mi (7,427.33 km) |
| Woonsocket to Shumen | 4,677.70 mi (7,528.03 km) |
| Woonsocket to Silistra | 4,655.76 mi (7,492.71 km) |
| Woonsocket to Sliven | 4,678.73 mi (7,529.69 km) |
