| Workington to Popovo | 1,542.43 mi (2,482.30 km) |
| Workington to Provadia | 1,595.72 mi (2,568.07 km) |
| Workington to Radnevo | 1,579.48 mi (2,541.93 km) |
| Workington to Radomir | 1,457.14 mi (2,345.04 km) |
| Workington to Rakitovo | 1,525.96 mi (2,455.80 km) |
| Workington to Rakovski | 1,543.91 mi (2,484.69 km) |
| Workington to Razgrad | 1,544.99 mi (2,486.43 km) |
| Workington to Razlog | 1,508.30 mi (2,427.38 km) |
| Workington to Ruse | 1,510.59 mi (2,431.06 km) |
| Workington to Samokov | 1,489.54 mi (2,397.18 km) |
| Workington to Sandanski | 1,517.11 mi (2,441.55 km) |
| Workington to Sevlievo | 1,514.91 mi (2,438.01 km) |
| Workington to Shumen | 1,572.11 mi (2,530.07 km) |
| Workington to Silistra | 1,547.82 mi (2,490.98 km) |
| Workington to Sliven | 1,576.67 mi (2,537.41 km) |
