| North Hykeham to Devnya | 1,454.75 mi (2,341.20 km) |
| North Hykeham to Dimitrovgrad | 1,429.55 mi (2,300.64 km) |
| North Hykeham to Dobrich | 1,450.57 mi (2,334.47 km) |
| North Hykeham to Dospat | 1,393.73 mi (2,242.99 km) |
| North Hykeham to Dupnitsa | 1,325.37 mi (2,132.97 km) |
| North Hykeham to Elhovo | 1,461.57 mi (2,352.17 km) |
| North Hykeham to Etropole | 1,332.53 mi (2,144.50 km) |
| North Hykeham to Gabrovo | 1,382.39 mi (2,224.74 km) |
| North Hykeham to Gorna Oryahovitsa | 1,384.90 mi (2,228.79 km) |
| North Hykeham to Gotse Delchev | 1,381.47 mi (2,223.25 km) |
| North Hykeham to Harmanli | 1,446.43 mi (2,327.80 km) |
| North Hykeham to Haskovo | 1,433.63 mi (2,307.21 km) |
| North Hykeham to Ihtiman | 1,343.65 mi (2,162.40 km) |
| North Hykeham to Isperih | 1,404.53 mi (2,260.36 km) |
| North Hykeham to Kardzhali | 1,439.12 mi (2,316.04 km) |
