| Boulder to Talas | 6,461.63 mi (10,398.99 km) |
| Boulder to Tarsus | 6,550.23 mi (10,541.57 km) |
| Boulder to Taskopru | 6,256.42 mi (10,068.73 km) |
| Boulder to Taslicay | 6,588.35 mi (10,602.92 km) |
| Boulder to Tasova | 6,355.55 mi (10,228.26 km) |
| Boulder to Tatvan | 6,635.81 mi (10,679.30 km) |
| Boulder to Tavas | 6,344.77 mi (10,210.91 km) |
| Boulder to Tavsanli | 6,243.43 mi (10,047.84 km) |
| Boulder to Tefenni | 6,380.94 mi (10,269.13 km) |
| Boulder to Tekirdag | 6,102.89 mi (9,821.66 km) |
| Boulder to Tekkekoy | 6,330.91 mi (10,188.62 km) |
| Boulder to Tekman | 6,546.75 mi (10,535.97 km) |
| Boulder to Tire | 6,274.94 mi (10,098.53 km) |
| Boulder to Tirebolu | 6,400.38 mi (10,300.42 km) |
| Boulder to Tokat | 6,387.99 mi (10,280.47 km) |
