| Colchester to Popovo | 1,309.82 mi (2,107.95 km) |
| Colchester to Provadia | 1,365.66 mi (2,197.81 km) |
| Colchester to Radnevo | 1,341.26 mi (2,158.55 km) |
| Colchester to Radomir | 1,212.09 mi (1,950.66 km) |
| Colchester to Rakitovo | 1,281.64 mi (2,062.61 km) |
| Colchester to Rakovski | 1,303.08 mi (2,097.10 km) |
| Colchester to Razgrad | 1,314.09 mi (2,114.83 km) |
| Colchester to Razlog | 1,262.06 mi (2,031.09 km) |
| Colchester to Ruse | 1,279.57 mi (2,059.27 km) |
| Colchester to Samokov | 1,245.22 mi (2,003.99 km) |
| Colchester to Sandanski | 1,269.32 mi (2,042.77 km) |
| Colchester to Sevlievo | 1,277.65 mi (2,056.19 km) |
| Colchester to Shumen | 1,341.14 mi (2,158.35 km) |
| Colchester to Silistra | 1,322.12 mi (2,127.74 km) |
| Colchester to Sliven | 1,341.21 mi (2,158.47 km) |
