| Smiltene to Devnya | 984.94 mi (1,585.11 km) |
| Smiltene to Dimitrovgrad | 1,062.96 mi (1,710.68 km) |
| Smiltene to Dobrich | 961.75 mi (1,547.79 km) |
| Smiltene to Dospat | 1,093.20 mi (1,759.33 km) |
| Smiltene to Dupnitsa | 1,055.11 mi (1,698.03 km) |
| Smiltene to Elhovo | 1,055.23 mi (1,698.22 km) |
| Smiltene to Etropole | 1,012.16 mi (1,628.92 km) |
| Smiltene to Gabrovo | 1,006.76 mi (1,620.22 km) |
| Smiltene to Gorna Oryahovitsa | 988.07 mi (1,590.15 km) |
| Smiltene to Gotse Delchev | 1,100.44 mi (1,770.98 km) |
| Smiltene to Harmanli | 1,070.95 mi (1,723.52 km) |
| Smiltene to Haskovo | 1,071.05 mi (1,723.68 km) |
| Smiltene to Ihtiman | 1,040.13 mi (1,673.92 km) |
| Smiltene to Isperih | 948.59 mi (1,526.60 km) |
| Smiltene to Kardzhali | 1,090.77 mi (1,755.43 km) |
