| Olbia to Tacoma (Washington) | 5,670.58 mi (9,125.92 km) |
| Olbia to Tahlequah (Oklahoma) | 5,294.97 mi (8,521.43 km) |
| Olbia to Takoma Park (Maryland) | 4,380.14 mi (7,049.15 km) |
| Olbia to Talladega (Alabama) | 5,014.94 mi (8,070.76 km) |
| Olbia to Tallahassee (Florida) | 5,056.35 mi (8,137.41 km) |
| Olbia to Tallmadge (Ohio) | 4,496.31 mi (7,236.12 km) |
| Olbia to Tamalpais-Homestead Valley (California) | 6,207.52 mi (9,990.03 km) |
| Olbia to Tamarac (Florida) | 5,044.78 mi (8,118.78 km) |
| Olbia to Tamiami (Florida) | 5,071.11 mi (8,161.16 km) |
| Olbia to Tampa (Florida) | 5,075.17 mi (8,167.70 km) |
| Olbia to Tanaina (Alaska) | 5,252.00 mi (8,452.28 km) |
| Olbia to Tanque Verde (Arizona) | 6,108.13 mi (9,830.09 km) |
| Olbia to Tarboro (North Carolina) | 4,521.98 mi (7,277.43 km) |
| Olbia to Tarpon Springs (Florida) | 5,083.83 mi (8,181.63 km) |
| Olbia to Tarrytown (New York) | 4,163.59 mi (6,700.64 km) |
