| Port Huron to Trim | 3,385.01 mi (5,447.65 km) |
| Port Huron to Tuam | 3,306.20 mi (5,320.81 km) |
| Port Huron to Tullamore | 3,364.40 mi (5,414.48 km) |
| Port Huron to Waterford | 3,403.26 mi (5,477.02 km) |
| Port Huron to Wexford | 3,427.82 mi (5,516.54 km) |
| Port Huron to Wicklow | 3,428.37 mi (5,517.42 km) |
| Port Huron to Abano Terme | 4,382.98 mi (7,053.73 km) |
| Port Huron to Abbiategrasso | 4,266.66 mi (6,866.53 km) |
| Port Huron to Acate | 4,844.50 mi (7,796.47 km) |
| Port Huron to Acerra | 4,669.48 mi (7,514.80 km) |
| Port Huron to Aci Castello | 4,849.20 mi (7,804.03 km) |
| Port Huron to Aci Catena | 4,846.72 mi (7,800.04 km) |
| Port Huron to Aci Sant'Antonio | 4,846.02 mi (7,798.91 km) |
| Port Huron to Acireale | 4,847.39 mi (7,801.13 km) |
| Port Huron to Acquaviva delle Fonti | 4,772.69 mi (7,680.90 km) |
