| Gulbene to Devnya | 964.51 mi (1,552.23 km) |
| Gulbene to Dimitrovgrad | 1,045.69 mi (1,682.88 km) |
| Gulbene to Dobrich | 940.85 mi (1,514.15 km) |
| Gulbene to Dospat | 1,078.18 mi (1,735.16 km) |
| Gulbene to Dupnitsa | 1,041.94 mi (1,676.84 km) |
| Gulbene to Elhovo | 1,036.43 mi (1,667.97 km) |
| Gulbene to Etropole | 997.64 mi (1,605.54 km) |
| Gulbene to Gabrovo | 989.98 mi (1,593.22 km) |
| Gulbene to Gorna Oryahovitsa | 970.70 mi (1,562.19 km) |
| Gulbene to Gotse Delchev | 1,086.10 mi (1,747.91 km) |
| Gulbene to Harmanli | 1,053.19 mi (1,694.95 km) |
| Gulbene to Haskovo | 1,053.82 mi (1,695.96 km) |
| Gulbene to Ihtiman | 1,025.83 mi (1,650.91 km) |
| Gulbene to Isperih | 929.31 mi (1,495.58 km) |
| Gulbene to Kardzhali | 1,073.85 mi (1,728.19 km) |
