| Cities | Distance |
|---|---|
| Sulmona to Devnya | 697.28 mi (1,122.17 km) |
| Sulmona to Dimitrovgrad | 598.48 mi (963.16 km) |
| Sulmona to Dobrich | 711.85 mi (1,145.61 km) |
| Sulmona to Dospat | 527.46 mi (848.86 km) |
| Sulmona to Dupnitsa | 470.84 mi (757.74 km) |
| Sulmona to Elhovo | 647.41 mi (1,041.90 km) |
| Sulmona to Etropole | 516.20 mi (830.74 km) |
| Sulmona to Gabrovo | 583.78 mi (939.50 km) |
| Sulmona to Gorna Oryahovitsa | 603.06 mi (970.54 km) |
| Sulmona to Gotse Delchev | 505.89 mi (814.16 km) |
| Sulmona to Harmanli | 614.45 mi (988.86 km) |
| Sulmona to Haskovo | 597.38 mi (961.38 km) |
| Sulmona to Ihtiman | 506.31 mi (814.83 km) |
| Sulmona to Isperih | 662.84 mi (1,066.75 km) |
| Sulmona to Kardzhali | 589.02 mi (947.94 km) |