| Helensburgh to Zottegem | 499.26 mi (803.48 km) |
| Helensburgh to Zulte | 486.20 mi (782.46 km) |
| Helensburgh to Zwevegem | 489.58 mi (787.90 km) |
| Helensburgh to Zwijndrecht | 497.35 mi (800.40 km) |
| Helensburgh to Asenovgrad | 1,633.19 mi (2,628.37 km) |
| Helensburgh to Aytos | 1,685.18 mi (2,712.03 km) |
| Helensburgh to Balchik | 1,684.09 mi (2,710.27 km) |
| Helensburgh to Bankya | 1,537.99 mi (2,475.15 km) |
| Helensburgh to Bansko | 1,593.91 mi (2,565.16 km) |
| Helensburgh to Berkovitsa | 1,510.92 mi (2,431.60 km) |
| Helensburgh to Blagoevgrad | 1,571.23 mi (2,528.65 km) |
| Helensburgh to Botevgrad | 1,550.93 mi (2,495.98 km) |
| Helensburgh to Burgas | 1,702.70 mi (2,740.23 km) |
| Helensburgh to Byala Slatina | 1,528.50 mi (2,459.89 km) |
| Helensburgh to Chirpan | 1,640.29 mi (2,639.80 km) |
