| Niel to Dimitrovgrad | 1,181.90 mi (1,902.08 km) |
| Niel to Dobrich | 1,210.59 mi (1,948.26 km) |
| Niel to Dospat | 1,143.68 mi (1,840.57 km) |
| Niel to Dupnitsa | 1,075.17 mi (1,730.33 km) |
| Niel to Elhovo | 1,215.51 mi (1,956.17 km) |
| Niel to Etropole | 1,084.44 mi (1,745.23 km) |
| Niel to Gabrovo | 1,136.23 mi (1,828.59 km) |
| Niel to Gorna Oryahovitsa | 1,140.01 mi (1,834.66 km) |
| Niel to Gotse Delchev | 1,130.87 mi (1,819.96 km) |
| Niel to Harmanli | 1,198.93 mi (1,929.49 km) |
| Niel to Haskovo | 1,185.70 mi (1,908.20 km) |
| Niel to Ihtiman | 1,094.53 mi (1,761.48 km) |
| Niel to Isperih | 1,163.29 mi (1,872.14 km) |
| Niel to Kardzhali | 1,190.41 mi (1,915.77 km) |
| Niel to Karlovo | 1,124.64 mi (1,809.94 km) |
