| Chelsea to Popovo | 4,611.21 mi (7,421.02 km) |
| Chelsea to Provadia | 4,666.14 mi (7,509.43 km) |
| Chelsea to Radnevo | 4,642.99 mi (7,472.17 km) |
| Chelsea to Radomir | 4,510.49 mi (7,258.94 km) |
| Chelsea to Rakitovo | 4,580.38 mi (7,371.41 km) |
| Chelsea to Rakovski | 4,604.02 mi (7,409.45 km) |
| Chelsea to Razgrad | 4,614.89 mi (7,426.95 km) |
| Chelsea to Razlog | 4,558.98 mi (7,336.97 km) |
| Chelsea to Ruse | 4,580.38 mi (7,371.41 km) |
| Chelsea to Samokov | 4,544.11 mi (7,313.05 km) |
| Chelsea to Sandanski | 4,564.21 mi (7,345.39 km) |
| Chelsea to Sevlievo | 4,579.54 mi (7,370.06 km) |
| Chelsea to Shumen | 4,641.99 mi (7,470.56 km) |
| Chelsea to Silistra | 4,619.95 mi (7,435.10 km) |
| Chelsea to Sliven | 4,643.12 mi (7,472.37 km) |
