| Alpena to Quarteira | 3,820.23 mi (6,148.06 km) |
| Alpena to Queluz | 3,703.61 mi (5,960.38 km) |
| Alpena to Reguengos de Monsaraz | 3,794.81 mi (6,107.16 km) |
| Alpena to Resende | 3,676.20 mi (5,916.28 km) |
| Alpena to Ribeira Brava | 3,569.09 mi (5,743.90 km) |
| Alpena to Ribeira Grande | 2,976.70 mi (4,790.53 km) |
| Alpena to Rio de Mouro | 3,699.94 mi (5,954.48 km) |
| Alpena to Rio Maior | 3,697.23 mi (5,950.12 km) |
| Alpena to Rio Tinto | 3,647.11 mi (5,869.46 km) |
| Alpena to Sabugal | 3,742.91 mi (6,023.64 km) |
| Alpena to Sacavem | 3,709.34 mi (5,969.60 km) |
| Alpena to Salvaterra de Magos | 3,715.71 mi (5,979.86 km) |
| Alpena to Santa Comba Dao | 3,694.94 mi (5,946.44 km) |
| Alpena to Santa Cruz | 3,581.08 mi (5,763.20 km) |
| Alpena to Santa Iria da Azoia | 3,708.19 mi (5,967.76 km) |
