| Seguin to Devnya | 6,337.97 mi (10,199.97 km) |
| Seguin to Dimitrovgrad | 6,322.57 mi (10,175.20 km) |
| Seguin to Dobrich | 6,330.32 mi (10,187.66 km) |
| Seguin to Dospat | 6,287.54 mi (10,118.82 km) |
| Seguin to Dupnitsa | 6,219.10 mi (10,008.68 km) |
| Seguin to Elhovo | 6,352.70 mi (10,223.68 km) |
| Seguin to Etropole | 6,226.00 mi (10,019.78 km) |
| Seguin to Gabrovo | 6,273.89 mi (10,096.85 km) |
| Seguin to Gorna Oryahovitsa | 6,274.65 mi (10,098.07 km) |
| Seguin to Gotse Delchev | 6,274.89 mi (10,098.46 km) |
| Seguin to Harmanli | 6,339.29 mi (10,202.09 km) |
| Seguin to Haskovo | 6,326.89 mi (10,182.14 km) |
| Seguin to Ihtiman | 6,237.56 mi (10,038.37 km) |
| Seguin to Isperih | 6,287.53 mi (10,118.79 km) |
| Seguin to Kardzhali | 6,332.87 mi (10,191.77 km) |
