| Cobham to Popovo | 1,354.02 mi (2,179.08 km) |
| Cobham to Provadia | 1,410.81 mi (2,270.48 km) |
| Cobham to Radnevo | 1,382.73 mi (2,225.28 km) |
| Cobham to Radomir | 1,250.07 mi (2,011.80 km) |
| Cobham to Rakitovo | 1,319.89 mi (2,124.16 km) |
| Cobham to Rakovski | 1,343.26 mi (2,161.77 km) |
| Cobham to Razgrad | 1,359.02 mi (2,187.14 km) |
| Cobham to Razlog | 1,299.16 mi (2,090.80 km) |
| Cobham to Ruse | 1,324.54 mi (2,131.65 km) |
| Cobham to Samokov | 1,283.56 mi (2,065.69 km) |
| Cobham to Sandanski | 1,305.37 mi (2,100.80 km) |
| Cobham to Sevlievo | 1,319.76 mi (2,123.95 km) |
| Cobham to Shumen | 1,385.97 mi (2,230.50 km) |
| Cobham to Silistra | 1,369.13 mi (2,203.40 km) |
| Cobham to Sliven | 1,384.02 mi (2,227.37 km) |
