| Gilbert to Devnya | 6,558.38 mi (10,554.70 km) |
| Gilbert to Dimitrovgrad | 6,569.53 mi (10,572.64 km) |
| Gilbert to Dobrich | 6,545.41 mi (10,533.82 km) |
| Gilbert to Dospat | 6,549.63 mi (10,540.61 km) |
| Gilbert to Dupnitsa | 6,483.58 mi (10,434.31 km) |
| Gilbert to Elhovo | 6,590.79 mi (10,606.85 km) |
| Gilbert to Etropole | 6,478.28 mi (10,425.79 km) |
| Gilbert to Gabrovo | 6,515.41 mi (10,485.53 km) |
| Gilbert to Gorna Oryahovitsa | 6,510.79 mi (10,478.11 km) |
| Gilbert to Gotse Delchev | 6,541.18 mi (10,527.01 km) |
| Gilbert to Harmanli | 6,584.91 mi (10,597.38 km) |
| Gilbert to Haskovo | 6,575.19 mi (10,581.75 km) |
| Gilbert to Ihtiman | 6,494.99 mi (10,452.68 km) |
| Gilbert to Isperih | 6,509.29 mi (10,475.70 km) |
| Gilbert to Kardzhali | 6,585.40 mi (10,598.18 km) |
