| Irlam to Devnya | 1,532.52 mi (2,466.36 km) |
| Irlam to Dimitrovgrad | 1,506.72 mi (2,424.83 km) |
| Irlam to Dobrich | 1,528.40 mi (2,459.72 km) |
| Irlam to Dospat | 1,470.29 mi (2,366.21 km) |
| Irlam to Dupnitsa | 1,401.88 mi (2,256.10 km) |
| Irlam to Elhovo | 1,538.99 mi (2,476.76 km) |
| Irlam to Etropole | 1,409.60 mi (2,268.54 km) |
| Irlam to Gabrovo | 1,459.78 mi (2,349.29 km) |
| Irlam to Gorna Oryahovitsa | 1,462.44 mi (2,353.57 km) |
| Irlam to Gotse Delchev | 1,457.83 mi (2,346.15 km) |
| Irlam to Harmanli | 1,523.62 mi (2,452.03 km) |
| Irlam to Haskovo | 1,510.75 mi (2,431.31 km) |
| Irlam to Ihtiman | 1,420.49 mi (2,286.06 km) |
| Irlam to Isperih | 1,482.31 mi (2,385.54 km) |
| Irlam to Kardzhali | 1,516.07 mi (2,439.88 km) |
