| Felixstowe to Popovo | 1,293.03 mi (2,080.93 km) |
| Felixstowe to Provadia | 1,348.66 mi (2,170.46 km) |
| Felixstowe to Radnevo | 1,325.03 mi (2,132.43 km) |
| Felixstowe to Radomir | 1,196.64 mi (1,925.80 km) |
| Felixstowe to Rakitovo | 1,266.12 mi (2,037.62 km) |
| Felixstowe to Rakovski | 1,287.13 mi (2,071.43 km) |
| Felixstowe to Razgrad | 1,297.15 mi (2,087.56 km) |
| Felixstowe to Razlog | 1,246.80 mi (2,006.52 km) |
| Felixstowe to Ruse | 1,262.63 mi (2,032.00 km) |
| Felixstowe to Samokov | 1,229.68 mi (1,978.98 km) |
| Felixstowe to Sandanski | 1,254.28 mi (2,018.57 km) |
| Felixstowe to Sevlievo | 1,261.30 mi (2,029.87 km) |
| Felixstowe to Shumen | 1,324.21 mi (2,131.11 km) |
| Felixstowe to Silistra | 1,304.76 mi (2,099.81 km) |
| Felixstowe to Sliven | 1,324.70 mi (2,131.89 km) |
