| Sidney to Zottegem | 4,059.71 mi (6,533.47 km) |
| Sidney to Zulte | 4,043.89 mi (6,508.01 km) |
| Sidney to Zwevegem | 4,043.61 mi (6,507.56 km) |
| Sidney to Zwijndrecht | 4,069.38 mi (6,549.03 km) |
| Sidney to Asenovgrad | 5,226.22 mi (8,410.79 km) |
| Sidney to Aytos | 5,284.07 mi (8,503.88 km) |
| Sidney to Balchik | 5,283.15 mi (8,502.40 km) |
| Sidney to Bankya | 5,128.60 mi (8,253.68 km) |
| Sidney to Bansko | 5,181.37 mi (8,338.61 km) |
| Sidney to Berkovitsa | 5,103.91 mi (8,213.95 km) |
| Sidney to Blagoevgrad | 5,158.03 mi (8,301.05 km) |
| Sidney to Botevgrad | 5,144.48 mi (8,279.24 km) |
| Sidney to Burgas | 5,301.55 mi (8,532.01 km) |
| Sidney to Byala Slatina | 5,124.37 mi (8,246.87 km) |
| Sidney to Chirpan | 5,235.19 mi (8,425.22 km) |
