| Port Wentworth to Popovo | 5,496.30 mi (8,845.45 km) |
| Port Wentworth to Provadia | 5,552.28 mi (8,935.53 km) |
| Port Wentworth to Radnevo | 5,525.23 mi (8,892.00 km) |
| Port Wentworth to Radomir | 5,389.29 mi (8,673.22 km) |
| Port Wentworth to Rakitovo | 5,459.22 mi (8,785.76 km) |
| Port Wentworth to Rakovski | 5,484.92 mi (8,827.13 km) |
| Port Wentworth to Razgrad | 5,500.72 mi (8,852.56 km) |
| Port Wentworth to Razlog | 5,436.63 mi (8,749.41 km) |
| Port Wentworth to Ruse | 5,466.20 mi (8,797.00 km) |
| Port Wentworth to Samokov | 5,423.17 mi (8,727.76 km) |
| Port Wentworth to Sandanski | 5,440.67 mi (8,755.91 km) |
| Port Wentworth to Sevlievo | 5,462.50 mi (8,791.05 km) |
| Port Wentworth to Shumen | 5,527.76 mi (8,896.07 km) |
| Port Wentworth to Silistra | 5,507.82 mi (8,863.98 km) |
| Port Wentworth to Sliven | 5,526.80 mi (8,894.53 km) |
