| Stranraer to Popovo | 1,603.90 mi (2,581.23 km) |
| Stranraer to Provadia | 1,657.19 mi (2,666.98 km) |
| Stranraer to Radnevo | 1,640.90 mi (2,640.77 km) |
| Stranraer to Radomir | 1,518.29 mi (2,443.45 km) |
| Stranraer to Rakitovo | 1,587.16 mi (2,554.29 km) |
| Stranraer to Rakovski | 1,605.26 mi (2,583.42 km) |
| Stranraer to Razgrad | 1,606.46 mi (2,585.35 km) |
| Stranraer to Razlog | 1,569.38 mi (2,525.68 km) |
| Stranraer to Ruse | 1,572.06 mi (2,529.99 km) |
| Stranraer to Samokov | 1,550.73 mi (2,495.66 km) |
| Stranraer to Sandanski | 1,578.08 mi (2,539.68 km) |
| Stranraer to Sevlievo | 1,576.34 mi (2,536.88 km) |
| Stranraer to Shumen | 1,633.58 mi (2,629.00 km) |
| Stranraer to Silistra | 1,609.23 mi (2,589.80 km) |
| Stranraer to Sliven | 1,638.13 mi (2,636.32 km) |
