| Berthoud to Devnya | 5,954.07 mi (9,582.16 km) |
| Berthoud to Dimitrovgrad | 5,963.13 mi (9,596.73 km) |
| Berthoud to Dobrich | 5,941.58 mi (9,562.04 km) |
| Berthoud to Dospat | 5,942.28 mi (9,563.18 km) |
| Berthoud to Dupnitsa | 5,876.04 mi (9,456.58 km) |
| Berthoud to Elhovo | 5,985.05 mi (9,632.01 km) |
| Berthoud to Etropole | 5,871.42 mi (9,449.14 km) |
| Berthoud to Gabrovo | 5,909.31 mi (9,510.12 km) |
| Berthoud to Gorna Oryahovitsa | 5,905.09 mi (9,503.32 km) |
| Berthoud to Gotse Delchev | 5,933.61 mi (9,549.22 km) |
| Berthoud to Harmanli | 5,978.62 mi (9,621.66 km) |
| Berthoud to Haskovo | 5,968.71 mi (9,605.70 km) |
| Berthoud to Ihtiman | 5,887.84 mi (9,475.57 km) |
| Berthoud to Isperih | 5,904.78 mi (9,502.82 km) |
| Berthoud to Kardzhali | 5,978.65 mi (9,621.71 km) |
