| Boulder to Teruel | 5,120.81 mi (8,241.14 km) |
| Boulder to Teulada | 5,241.87 mi (8,435.97 km) |
| Boulder to Tiana | 5,204.67 mi (8,376.10 km) |
| Boulder to Tineo | 4,776.30 mi (7,686.71 km) |
| Boulder to Tocina | 5,045.10 mi (8,119.30 km) |
| Boulder to Toledo | 5,021.76 mi (8,081.73 km) |
| Boulder to Tolosa | 4,960.70 mi (7,983.47 km) |
| Boulder to Tomares | 5,041.03 mi (8,112.76 km) |
| Boulder to Tomelloso | 5,093.68 mi (8,197.49 km) |
| Boulder to Tomino | 4,737.57 mi (7,624.38 km) |
| Boulder to Tordera | 5,212.32 mi (8,388.42 km) |
| Boulder to Tordesillas | 4,911.92 mi (7,904.97 km) |
| Boulder to Torello | 5,178.78 mi (8,334.44 km) |
| Boulder to Toro | 4,894.79 mi (7,877.41 km) |
| Boulder to Torre del Campo | 5,117.40 mi (8,235.66 km) |
