| Helena to Zottegem | 4,698.06 mi (7,560.79 km) |
| Helena to Zulte | 4,684.80 mi (7,539.46 km) |
| Helena to Zwevegem | 4,687.86 mi (7,544.39 km) |
| Helena to Zwijndrecht | 4,695.44 mi (7,556.57 km) |
| Helena to Asenovgrad | 5,767.59 mi (9,282.03 km) |
| Helena to Aytos | 5,781.93 mi (9,305.11 km) |
| Helena to Balchik | 5,757.58 mi (9,265.92 km) |
| Helena to Bankya | 5,683.64 mi (9,146.93 km) |
| Helena to Bansko | 5,744.48 mi (9,244.84 km) |
| Helena to Berkovitsa | 5,651.09 mi (9,094.55 km) |
| Helena to Blagoevgrad | 5,724.02 mi (9,211.92 km) |
| Helena to Botevgrad | 5,687.39 mi (9,152.98 km) |
| Helena to Burgas | 5,799.12 mi (9,332.78 km) |
| Helena to Byala Slatina | 5,656.95 mi (9,103.97 km) |
| Helena to Chirpan | 5,767.47 mi (9,281.84 km) |
