| Ardrossan to Devnya | 1,667.04 mi (2,682.84 km) |
| Ardrossan to Dimitrovgrad | 1,650.51 mi (2,656.24 km) |
| Ardrossan to Dobrich | 1,660.81 mi (2,672.82 km) |
| Ardrossan to Dospat | 1,618.95 mi (2,605.45 km) |
| Ardrossan to Dupnitsa | 1,551.03 mi (2,496.15 km) |
| Ardrossan to Elhovo | 1,679.99 mi (2,703.68 km) |
| Ardrossan to Etropole | 1,554.53 mi (2,501.77 km) |
| Ardrossan to Gabrovo | 1,601.24 mi (2,576.95 km) |
| Ardrossan to Gorna Oryahovitsa | 1,601.95 mi (2,578.08 km) |
| Ardrossan to Gotse Delchev | 1,607.80 mi (2,587.51 km) |
| Ardrossan to Harmanli | 1,667.09 mi (2,682.92 km) |
| Ardrossan to Haskovo | 1,655.03 mi (2,663.51 km) |
| Ardrossan to Ihtiman | 1,567.32 mi (2,522.35 km) |
| Ardrossan to Isperih | 1,616.59 mi (2,601.65 km) |
| Ardrossan to Kardzhali | 1,661.81 mi (2,674.43 km) |
