| Southall to Popovo | 1,355.74 mi (2,181.85 km) |
| Southall to Provadia | 1,412.31 mi (2,272.89 km) |
| Southall to Radnevo | 1,385.08 mi (2,229.08 km) |
| Southall to Radomir | 1,253.17 mi (2,016.79 km) |
| Southall to Rakitovo | 1,322.95 mi (2,129.07 km) |
| Southall to Rakovski | 1,345.90 mi (2,166.02 km) |
| Southall to Razgrad | 1,360.57 mi (2,189.62 km) |
| Southall to Razlog | 1,302.46 mi (2,096.11 km) |
| Southall to Ruse | 1,326.07 mi (2,134.11 km) |
| Southall to Samokov | 1,286.59 mi (2,070.57 km) |
| Southall to Sandanski | 1,308.89 mi (2,106.45 km) |
| Southall to Sevlievo | 1,321.96 mi (2,127.49 km) |
| Southall to Shumen | 1,387.54 mi (2,233.03 km) |
| Southall to Silistra | 1,370.16 mi (2,205.06 km) |
| Southall to Sliven | 1,386.07 mi (2,230.66 km) |
