| Southwick to Popovo | 1,339.19 mi (2,155.21 km) |
| Southwick to Provadia | 1,396.51 mi (2,247.47 km) |
| Southwick to Radnevo | 1,366.29 mi (2,198.83 km) |
| Southwick to Radomir | 1,231.87 mi (1,982.51 km) |
| Southwick to Rakitovo | 1,301.76 mi (2,094.99 km) |
| Southwick to Rakovski | 1,326.15 mi (2,134.24 km) |
| Southwick to Razgrad | 1,344.63 mi (2,163.97 km) |
| Southwick to Razlog | 1,280.47 mi (2,060.71 km) |
| Southwick to Ruse | 1,310.20 mi (2,108.57 km) |
| Southwick to Samokov | 1,265.52 mi (2,036.65 km) |
| Southwick to Sandanski | 1,286.15 mi (2,069.85 km) |
| Southwick to Sevlievo | 1,303.74 mi (2,098.17 km) |
| Southwick to Shumen | 1,371.49 mi (2,207.20 km) |
| Southwick to Silistra | 1,356.03 mi (2,182.31 km) |
| Southwick to Sliven | 1,368.35 mi (2,202.15 km) |
