| Stirling to Popovo | 1,590.60 mi (2,559.83 km) |
| Stirling to Provadia | 1,641.99 mi (2,642.52 km) |
| Stirling to Radnevo | 1,631.35 mi (2,625.40 km) |
| Stirling to Radomir | 1,514.58 mi (2,437.48 km) |
| Stirling to Rakitovo | 1,582.56 mi (2,546.89 km) |
| Stirling to Rakovski | 1,597.81 mi (2,571.43 km) |
| Stirling to Razgrad | 1,592.03 mi (2,562.12 km) |
| Stirling to Razlog | 1,566.48 mi (2,521.01 km) |
| Stirling to Ruse | 1,557.86 mi (2,507.13 km) |
| Stirling to Samokov | 1,546.28 mi (2,488.50 km) |
| Stirling to Sandanski | 1,576.52 mi (2,537.17 km) |
| Stirling to Sevlievo | 1,566.37 mi (2,520.82 km) |
| Stirling to Shumen | 1,619.07 mi (2,605.65 km) |
| Stirling to Silistra | 1,591.53 mi (2,561.32 km) |
| Stirling to Sliven | 1,626.63 mi (2,617.81 km) |
