| Cayce to Devnya | 5,463.85 mi (8,793.22 km) |
| Cayce to Dimitrovgrad | 5,431.03 mi (8,740.40 km) |
| Cayce to Dobrich | 5,460.06 mi (8,787.11 km) |
| Cayce to Dospat | 5,386.96 mi (8,669.47 km) |
| Cayce to Dupnitsa | 5,318.49 mi (8,559.28 km) |
| Cayce to Elhovo | 5,466.32 mi (8,797.18 km) |
| Cayce to Etropole | 5,333.17 mi (8,582.92 km) |
| Cayce to Gabrovo | 5,387.07 mi (8,669.66 km) |
| Cayce to Gorna Oryahovitsa | 5,391.41 mi (8,676.63 km) |
| Cayce to Gotse Delchev | 5,371.90 mi (8,645.24 km) |
| Cayce to Harmanli | 5,448.23 mi (8,768.09 km) |
| Cayce to Haskovo | 5,434.36 mi (8,745.76 km) |
| Cayce to Ihtiman | 5,341.09 mi (8,595.66 km) |
| Cayce to Isperih | 5,413.73 mi (8,712.56 km) |
| Cayce to Kardzhali | 5,437.45 mi (8,750.73 km) |
