| Fitchburg to Devnya | 4,692.58 mi (7,551.98 km) |
| Fitchburg to Dimitrovgrad | 4,663.62 mi (7,505.37 km) |
| Fitchburg to Dobrich | 4,688.05 mi (7,544.69 km) |
| Fitchburg to Dospat | 4,621.94 mi (7,438.30 km) |
| Fitchburg to Dupnitsa | 4,553.36 mi (7,327.93 km) |
| Fitchburg to Elhovo | 4,697.70 mi (7,560.21 km) |
| Fitchburg to Etropole | 4,565.93 mi (7,348.15 km) |
| Fitchburg to Gabrovo | 4,618.42 mi (7,432.63 km) |
| Fitchburg to Gorna Oryahovitsa | 4,621.94 mi (7,438.29 km) |
| Fitchburg to Gotse Delchev | 4,607.58 mi (7,415.18 km) |
| Fitchburg to Harmanli | 4,680.73 mi (7,532.91 km) |
| Fitchburg to Haskovo | 4,667.21 mi (7,511.15 km) |
| Fitchburg to Ihtiman | 4,574.83 mi (7,362.48 km) |
| Fitchburg to Isperih | 4,642.32 mi (7,471.10 km) |
| Fitchburg to Kardzhali | 4,671.07 mi (7,517.37 km) |
