| Hilo to Devnya | 8,087.21 mi (13,015.11 km) |
| Hilo to Dimitrovgrad | 8,170.87 mi (13,149.74 km) |
| Hilo to Dobrich | 8,062.37 mi (12,975.14 km) |
| Hilo to Dospat | 8,198.46 mi (13,194.14 km) |
| Hilo to Dupnitsa | 8,154.70 mi (13,123.73 km) |
| Hilo to Elhovo | 8,161.72 mi (13,135.03 km) |
| Hilo to Etropole | 8,116.58 mi (13,062.37 km) |
| Hilo to Gabrovo | 8,114.58 mi (13,059.16 km) |
| Hilo to Gorna Oryahovitsa | 8,095.95 mi (13,029.18 km) |
| Hilo to Gotse Delchev | 8,203.81 mi (13,202.76 km) |
| Hilo to Harmanli | 8,178.69 mi (13,162.33 km) |
| Hilo to Haskovo | 8,178.95 mi (13,162.75 km) |
| Hilo to Ihtiman | 8,143.75 mi (13,106.11 km) |
| Hilo to Isperih | 8,054.24 mi (12,962.05 km) |
| Hilo to Kardzhali | 8,198.63 mi (13,194.42 km) |
