| Helena to Talas | 6,213.35 mi (9,999.42 km) |
| Helena to Tarsus | 6,313.04 mi (10,159.86 km) |
| Helena to Taskopru | 6,005.52 mi (9,664.94 km) |
| Helena to Taslicay | 6,288.53 mi (10,120.42 km) |
| Helena to Tasova | 6,094.91 mi (9,808.81 km) |
| Helena to Tatvan | 6,346.09 mi (10,213.05 km) |
| Helena to Tavas | 6,142.26 mi (9,885.02 km) |
| Helena to Tavsanli | 6,029.53 mi (9,703.59 km) |
| Helena to Tefenni | 6,175.12 mi (9,937.89 km) |
| Helena to Tekirdag | 5,894.37 mi (9,486.07 km) |
| Helena to Tekkekoy | 6,067.73 mi (9,765.08 km) |
| Helena to Tekman | 6,258.30 mi (10,071.75 km) |
| Helena to Tire | 6,078.57 mi (9,782.52 km) |
| Helena to Tirebolu | 6,123.80 mi (9,855.31 km) |
| Helena to Tokat | 6,127.51 mi (9,861.28 km) |
