| Glasgow to Popovo | 1,595.80 mi (2,568.20 km) |
| Glasgow to Provadia | 1,647.62 mi (2,651.60 km) |
| Glasgow to Radnevo | 1,635.72 mi (2,632.44 km) |
| Glasgow to Radomir | 1,517.60 mi (2,442.34 km) |
| Glasgow to Rakitovo | 1,585.81 mi (2,552.11 km) |
| Glasgow to Rakovski | 1,601.70 mi (2,577.69 km) |
| Glasgow to Razgrad | 1,597.48 mi (2,570.90 km) |
| Glasgow to Razlog | 1,569.34 mi (2,525.61 km) |
| Glasgow to Ruse | 1,563.25 mi (2,515.81 km) |
| Glasgow to Samokov | 1,549.48 mi (2,493.65 km) |
| Glasgow to Sandanski | 1,579.08 mi (2,541.28 km) |
| Glasgow to Sevlievo | 1,570.81 mi (2,527.98 km) |
| Glasgow to Shumen | 1,624.55 mi (2,614.46 km) |
| Glasgow to Silistra | 1,597.71 mi (2,571.26 km) |
| Glasgow to Sliven | 1,631.44 mi (2,625.54 km) |
