| Calne to Devnya | 1,484.10 mi (2,388.44 km) |
| Calne to Dimitrovgrad | 1,447.28 mi (2,329.17 km) |
| Calne to Dobrich | 1,482.43 mi (2,385.75 km) |
| Calne to Dospat | 1,404.87 mi (2,260.92 km) |
| Calne to Dupnitsa | 1,336.28 mi (2,150.53 km) |
| Calne to Elhovo | 1,482.78 mi (2,386.30 km) |
| Calne to Etropole | 1,349.45 mi (2,171.72 km) |
| Calne to Gabrovo | 1,403.59 mi (2,258.86 km) |
| Calne to Gorna Oryahovitsa | 1,408.61 mi (2,266.95 km) |
| Calne to Gotse Delchev | 1,390.74 mi (2,238.18 km) |
| Calne to Harmanli | 1,464.48 mi (2,356.85 km) |
| Calne to Haskovo | 1,450.67 mi (2,334.62 km) |
| Calne to Ihtiman | 1,357.81 mi (2,185.19 km) |
| Calne to Isperih | 1,434.54 mi (2,308.67 km) |
| Calne to Kardzhali | 1,454.11 mi (2,340.16 km) |
