| Port Huron to Totana | 4,105.87 mi (6,607.76 km) |
| Port Huron to Trujillo | 3,843.30 mi (6,185.19 km) |
| Port Huron to Tudela | 3,944.63 mi (6,348.27 km) |
| Port Huron to Tudela de Duero | 3,828.98 mi (6,162.15 km) |
| Port Huron to Tuineje | 3,862.53 mi (6,216.15 km) |
| Port Huron to Ubeda | 4,010.92 mi (6,454.96 km) |
| Port Huron to Ubrique | 3,963.14 mi (6,378.06 km) |
| Port Huron to Umbrete | 3,905.42 mi (6,285.17 km) |
| Port Huron to Utebo | 3,984.11 mi (6,411.81 km) |
| Port Huron to Utiel | 4,052.44 mi (6,521.77 km) |
| Port Huron to Utrera | 3,930.00 mi (6,324.73 km) |
| Port Huron to Valdemorillo | 3,889.64 mi (6,259.78 km) |
| Port Huron to Valdemoro | 3,918.38 mi (6,306.03 km) |
| Port Huron to Valdepenas | 3,982.01 mi (6,408.43 km) |
| Port Huron to Valencia | 4,093.42 mi (6,587.72 km) |
