| South San Francisco to Trezzo sull'Adda | 5,955.47 mi (9,584.40 km) |
| South San Francisco to Tricase | 6,528.43 mi (10,506.50 km) |
| South San Francisco to Trieste | 6,070.08 mi (9,768.85 km) |
| South San Francisco to Triggiano | 6,422.24 mi (10,335.60 km) |
| South San Francisco to Trinitapoli | 6,383.43 mi (10,273.13 km) |
| South San Francisco to Trissino | 6,009.75 mi (9,671.76 km) |
| South San Francisco to Triuggio | 5,945.01 mi (9,567.57 km) |
| South San Francisco to Trofarello | 5,938.13 mi (9,556.49 km) |
| South San Francisco to Troina | 6,549.30 mi (10,540.09 km) |
| South San Francisco to Turin | 5,931.16 mi (9,545.29 km) |
| South San Francisco to Udine | 6,031.83 mi (9,707.30 km) |
| South San Francisco to Ugento | 6,523.10 mi (10,497.92 km) |
| South San Francisco to Umbertide | 6,165.78 mi (9,922.86 km) |
| South San Francisco to Urbino | 6,149.99 mi (9,897.46 km) |
| South San Francisco to Urgnano | 5,961.11 mi (9,593.48 km) |
