| Gladstone to Zottegem | 4,505.53 mi (7,250.95 km) |
| Gladstone to Zulte | 4,490.17 mi (7,226.24 km) |
| Gladstone to Zwevegem | 4,490.77 mi (7,227.20 km) |
| Gladstone to Zwijndrecht | 4,512.08 mi (7,261.49 km) |
| Gladstone to Asenovgrad | 5,660.90 mi (9,110.35 km) |
| Gladstone to Aytos | 5,707.85 mi (9,185.90 km) |
| Gladstone to Balchik | 5,700.56 mi (9,174.17 km) |
| Gladstone to Bankya | 5,565.73 mi (8,957.18 km) |
| Gladstone to Bansko | 5,621.22 mi (9,046.48 km) |
| Gladstone to Berkovitsa | 5,538.69 mi (8,913.66 km) |
| Gladstone to Blagoevgrad | 5,598.36 mi (9,009.69 km) |
| Gladstone to Botevgrad | 5,578.61 mi (8,977.91 km) |
| Gladstone to Burgas | 5,725.47 mi (9,214.25 km) |
| Gladstone to Byala Slatina | 5,555.52 mi (8,940.75 km) |
| Gladstone to Chirpan | 5,667.58 mi (9,121.09 km) |
