| Duncan to Talas | 6,567.78 mi (10,569.83 km) |
| Duncan to Tarsus | 6,642.95 mi (10,690.80 km) |
| Duncan to Taskopru | 6,369.10 mi (10,250.07 km) |
| Duncan to Taslicay | 6,748.15 mi (10,860.10 km) |
| Duncan to Tasova | 6,476.83 mi (10,423.45 km) |
| Duncan to Tatvan | 6,783.66 mi (10,917.24 km) |
| Duncan to Tavas | 6,404.94 mi (10,307.76 km) |
| Duncan to Tavsanli | 6,317.38 mi (10,166.85 km) |
| Duncan to Tefenni | 6,443.88 mi (10,370.43 km) |
| Duncan to Tekirdag | 6,173.88 mi (9,935.90 km) |
| Duncan to Tekkekoy | 6,455.36 mi (10,388.90 km) |
| Duncan to Tekman | 6,694.77 mi (10,774.20 km) |
| Duncan to Tire | 6,330.08 mi (10,187.27 km) |
| Duncan to Tirebolu | 6,538.05 mi (10,521.98 km) |
| Duncan to Tokat | 6,508.51 mi (10,474.44 km) |
