| Healdsburg to Talas | 6,922.99 mi (11,141.48 km) |
| Healdsburg to Tarsus | 7,028.68 mi (11,311.56 km) |
| Healdsburg to Taskopru | 6,715.27 mi (10,807.19 km) |
| Healdsburg to Taslicay | 6,960.18 mi (11,201.33 km) |
| Healdsburg to Tasova | 6,797.58 mi (10,939.65 km) |
| Healdsburg to Tatvan | 7,025.23 mi (11,306.01 km) |
| Healdsburg to Tavas | 6,877.85 mi (11,068.82 km) |
| Healdsburg to Tavsanli | 6,760.19 mi (10,879.47 km) |
| Healdsburg to Tefenni | 6,908.87 mi (11,118.76 km) |
| Healdsburg to Tekirdag | 6,628.62 mi (10,667.74 km) |
| Healdsburg to Tekkekoy | 6,768.95 mi (10,893.57 km) |
| Healdsburg to Tekman | 6,939.34 mi (11,167.79 km) |
| Healdsburg to Tire | 6,817.45 mi (10,971.63 km) |
| Healdsburg to Tirebolu | 6,815.11 mi (10,967.85 km) |
| Healdsburg to Tokat | 6,830.00 mi (10,991.82 km) |
