| Port Huron to San Baudilio de Llobregat | 4,130.93 mi (6,648.10 km) |
| Port Huron to San Celoni | 4,137.67 mi (6,658.94 km) |
| Port Huron to San Cugat del Valles | 4,128.09 mi (6,643.51 km) |
| Port Huron to San Fausto de Campcentellas | 4,133.63 mi (6,652.43 km) |
| Port Huron to San Feliu de Guixols | 4,157.74 mi (6,691.23 km) |
| Port Huron to San Feliu de Llobregat | 4,129.64 mi (6,646.01 km) |
| Port Huron to San Fernando | 3,935.85 mi (6,334.13 km) |
| Port Huron to San Fernando de Henares | 3,916.36 mi (6,302.77 km) |
| Port Huron to San Fructuoso de Bages | 4,108.55 mi (6,612.07 km) |
| Port Huron to San Javier | 4,135.12 mi (6,654.83 km) |
| Port Huron to San Juan de Alicante | 4,130.67 mi (6,647.67 km) |
| Port Huron to San Juan de Aznalfarache | 3,911.66 mi (6,295.20 km) |
| Port Huron to San Juan de Vilasar | 4,140.32 mi (6,663.19 km) |
| Port Huron to San Juan del Puerto | 3,875.21 mi (6,236.54 km) |
| Port Huron to San Juan Despi | 4,130.82 mi (6,647.92 km) |
