| Port Huron to Quarteira | 3,824.32 mi (6,154.66 km) |
| Port Huron to Queluz | 3,710.81 mi (5,971.97 km) |
| Port Huron to Reguengos de Monsaraz | 3,803.39 mi (6,120.97 km) |
| Port Huron to Resende | 3,691.79 mi (5,941.37 km) |
| Port Huron to Ribeira Brava | 3,547.84 mi (5,709.70 km) |
| Port Huron to Ribeira Grande | 2,958.91 mi (4,761.90 km) |
| Port Huron to Rio de Mouro | 3,707.10 mi (5,966.01 km) |
| Port Huron to Rio Maior | 3,706.53 mi (5,965.08 km) |
| Port Huron to Rio Tinto | 3,662.17 mi (5,893.69 km) |
| Port Huron to Sabugal | 3,757.47 mi (6,047.06 km) |
| Port Huron to Sacavem | 3,716.87 mi (5,981.73 km) |
| Port Huron to Salvaterra de Magos | 3,724.30 mi (5,993.69 km) |
| Port Huron to Santa Comba Dao | 3,708.32 mi (5,967.97 km) |
| Port Huron to Santa Cruz | 3,560.22 mi (5,729.62 km) |
| Port Huron to Santa Iria da Azoia | 3,715.90 mi (5,980.16 km) |
