| Duncan to Urla | 6,282.46 mi (10,110.63 km) |
| Duncan to Usak | 6,359.27 mi (10,234.26 km) |
| Duncan to Uzumlu | 6,638.28 mi (10,683.27 km) |
| Duncan to Uzunkopru | 6,130.07 mi (9,865.39 km) |
| Duncan to Vakfikebir | 6,549.28 mi (10,540.04 km) |
| Duncan to Van | 6,815.42 mi (10,968.36 km) |
| Duncan to Varto | 6,720.70 mi (10,815.92 km) |
| Duncan to Viransehir | 6,782.22 mi (10,914.93 km) |
| Duncan to Yaglidere | 6,532.19 mi (10,512.54 km) |
| Duncan to Yahsihan | 6,434.97 mi (10,356.09 km) |
| Duncan to Yahyali | 6,593.29 mi (10,610.87 km) |
| Duncan to Yakacik | 6,696.11 mi (10,776.35 km) |
| Duncan to Yakakent | 6,404.10 mi (10,306.40 km) |
| Duncan to Yakinca | 6,674.43 mi (10,741.45 km) |
| Duncan to Yalova | 6,251.60 mi (10,060.98 km) |
