| Duncan to Zottegem | 4,869.47 mi (7,836.65 km) |
| Duncan to Zulte | 4,853.99 mi (7,811.75 km) |
| Duncan to Zwevegem | 4,854.39 mi (7,812.38 km) |
| Duncan to Zwijndrecht | 4,876.71 mi (7,848.31 km) |
| Duncan to Asenovgrad | 6,027.89 mi (9,700.95 km) |
| Duncan to Aytos | 6,076.62 mi (9,779.38 km) |
| Duncan to Balchik | 6,070.17 mi (9,769.00 km) |
| Duncan to Bankya | 5,932.21 mi (9,546.97 km) |
| Duncan to Bansko | 5,987.20 mi (9,635.47 km) |
| Duncan to Berkovitsa | 5,905.59 mi (9,504.12 km) |
| Duncan to Blagoevgrad | 5,964.24 mi (9,598.51 km) |
| Duncan to Botevgrad | 5,945.65 mi (9,568.60 km) |
| Duncan to Burgas | 6,094.23 mi (9,807.71 km) |
| Duncan to Byala Slatina | 5,923.06 mi (9,532.25 km) |
| Duncan to Chirpan | 6,034.98 mi (9,712.35 km) |
