| Northport to Devnya | 5,756.58 mi (9,264.32 km) |
| Northport to Dimitrovgrad | 5,731.37 mi (9,223.75 km) |
| Northport to Dobrich | 5,751.09 mi (9,255.48 km) |
| Northport to Dospat | 5,691.23 mi (9,159.15 km) |
| Northport to Dupnitsa | 5,622.63 mi (9,048.75 km) |
| Northport to Elhovo | 5,764.45 mi (9,276.99 km) |
| Northport to Etropole | 5,633.87 mi (9,066.84 km) |
| Northport to Gabrovo | 5,685.22 mi (9,149.47 km) |
| Northport to Gorna Oryahovitsa | 5,687.98 mi (9,153.92 km) |
| Northport to Gotse Delchev | 5,677.23 mi (9,136.61 km) |
| Northport to Harmanli | 5,748.40 mi (9,251.15 km) |
| Northport to Haskovo | 5,735.15 mi (9,229.83 km) |
| Northport to Ihtiman | 5,643.43 mi (9,082.22 km) |
| Northport to Isperih | 5,706.20 mi (9,183.24 km) |
| Northport to Kardzhali | 5,739.53 mi (9,236.88 km) |
