| Clydebank to Popovo | 1,602.20 mi (2,578.49 km) |
| Clydebank to Provadia | 1,654.01 mi (2,661.87 km) |
| Clydebank to Radnevo | 1,642.13 mi (2,642.76 km) |
| Clydebank to Radomir | 1,524.02 mi (2,452.67 km) |
| Clydebank to Rakitovo | 1,592.22 mi (2,562.44 km) |
| Clydebank to Rakovski | 1,608.12 mi (2,588.02 km) |
| Clydebank to Razgrad | 1,603.87 mi (2,581.18 km) |
| Clydebank to Razlog | 1,575.75 mi (2,535.93 km) |
| Clydebank to Ruse | 1,569.64 mi (2,526.09 km) |
| Clydebank to Samokov | 1,555.90 mi (2,503.97 km) |
| Clydebank to Sandanski | 1,585.49 mi (2,551.60 km) |
| Clydebank to Sevlievo | 1,577.22 mi (2,538.30 km) |
| Clydebank to Shumen | 1,630.94 mi (2,624.74 km) |
| Clydebank to Silistra | 1,604.07 mi (2,581.50 km) |
| Clydebank to Sliven | 1,637.84 mi (2,635.85 km) |
