| Pawtucket to Popovo | 4,647.32 mi (7,479.15 km) |
| Pawtucket to Provadia | 4,702.39 mi (7,567.76 km) |
| Pawtucket to Radnevo | 4,678.78 mi (7,529.77 km) |
| Pawtucket to Radomir | 4,545.90 mi (7,315.92 km) |
| Pawtucket to Rakitovo | 4,615.80 mi (7,428.41 km) |
| Pawtucket to Rakovski | 4,639.66 mi (7,466.81 km) |
| Pawtucket to Razgrad | 4,651.09 mi (7,485.21 km) |
| Pawtucket to Razlog | 4,594.27 mi (7,393.76 km) |
| Pawtucket to Ruse | 4,616.58 mi (7,429.67 km) |
| Pawtucket to Samokov | 4,579.55 mi (7,370.07 km) |
| Pawtucket to Sandanski | 4,599.38 mi (7,401.99 km) |
| Pawtucket to Sevlievo | 4,615.41 mi (7,427.78 km) |
| Pawtucket to Shumen | 4,678.19 mi (7,528.82 km) |
| Pawtucket to Silistra | 4,656.41 mi (7,493.77 km) |
| Pawtucket to Sliven | 4,679.07 mi (7,530.24 km) |
