| Caterham to Popovo | 1,339.48 mi (2,155.69 km) |
| Caterham to Provadia | 1,396.27 mi (2,247.09 km) |
| Caterham to Radnevo | 1,368.21 mi (2,201.93 km) |
| Caterham to Radomir | 1,235.63 mi (1,988.56 km) |
| Caterham to Rakitovo | 1,305.44 mi (2,100.91 km) |
| Caterham to Rakovski | 1,328.77 mi (2,138.45 km) |
| Caterham to Razgrad | 1,344.49 mi (2,163.74 km) |
| Caterham to Razlog | 1,284.75 mi (2,067.61 km) |
| Caterham to Ruse | 1,310.01 mi (2,108.25 km) |
| Caterham to Samokov | 1,269.11 mi (2,042.44 km) |
| Caterham to Sandanski | 1,291.00 mi (2,077.66 km) |
| Caterham to Sevlievo | 1,305.24 mi (2,100.58 km) |
| Caterham to Shumen | 1,371.43 mi (2,207.11 km) |
| Caterham to Silistra | 1,354.61 mi (2,180.03 km) |
| Caterham to Sliven | 1,369.49 mi (2,203.98 km) |
