| Southgate to Devnya | 1,407.98 mi (2,265.92 km) |
| Southgate to Dimitrovgrad | 1,374.10 mi (2,211.40 km) |
| Southgate to Dobrich | 1,405.74 mi (2,262.32 km) |
| Southgate to Dospat | 1,333.58 mi (2,146.19 km) |
| Southgate to Dupnitsa | 1,264.99 mi (2,035.80 km) |
| Southgate to Elhovo | 1,408.68 mi (2,267.05 km) |
| Southgate to Etropole | 1,276.40 mi (2,054.17 km) |
| Southgate to Gabrovo | 1,329.42 mi (2,139.50 km) |
| Southgate to Gorna Oryahovitsa | 1,333.80 mi (2,146.55 km) |
| Southgate to Gotse Delchev | 1,320.02 mi (2,124.37 km) |
| Southgate to Harmanli | 1,391.22 mi (2,238.96 km) |
| Southgate to Haskovo | 1,377.69 mi (2,217.17 km) |
| Southgate to Ihtiman | 1,285.57 mi (2,068.93 km) |
| Southgate to Isperih | 1,358.22 mi (2,185.85 km) |
| Southgate to Kardzhali | 1,381.72 mi (2,223.66 km) |
