| Grantham to Devnya | 1,451.57 mi (2,336.07 km) |
| Grantham to Dimitrovgrad | 1,424.75 mi (2,292.92 km) |
| Grantham to Dobrich | 1,447.74 mi (2,329.91 km) |
| Grantham to Dospat | 1,388.04 mi (2,233.83 km) |
| Grantham to Dupnitsa | 1,319.61 mi (2,123.70 km) |
| Grantham to Elhovo | 1,457.26 mi (2,345.24 km) |
| Grantham to Etropole | 1,327.57 mi (2,136.52 km) |
| Grantham to Gabrovo | 1,378.04 mi (2,217.74 km) |
| Grantham to Gorna Oryahovitsa | 1,380.90 mi (2,222.34 km) |
| Grantham to Gotse Delchev | 1,375.52 mi (2,213.69 km) |
| Grantham to Harmanli | 1,441.68 mi (2,320.16 km) |
| Grantham to Haskovo | 1,428.75 mi (2,299.34 km) |
| Grantham to Ihtiman | 1,338.33 mi (2,153.84 km) |
| Grantham to Isperih | 1,401.41 mi (2,255.34 km) |
| Grantham to Kardzhali | 1,433.96 mi (2,307.74 km) |
