| Dayton to Quarteira | 3,992.92 mi (6,425.98 km) |
| Dayton to Queluz | 3,883.05 mi (6,249.17 km) |
| Dayton to Reguengos de Monsaraz | 3,976.88 mi (6,400.17 km) |
| Dayton to Resende | 3,872.82 mi (6,232.70 km) |
| Dayton to Ribeira Brava | 3,687.31 mi (5,934.15 km) |
| Dayton to Ribeira Grande | 3,104.97 mi (4,996.96 km) |
| Dayton to Rio de Mouro | 3,879.32 mi (6,243.16 km) |
| Dayton to Rio Maior | 3,881.00 mi (6,245.87 km) |
| Dayton to Rio Tinto | 3,842.72 mi (6,184.26 km) |
| Dayton to Sabugal | 3,937.29 mi (6,336.46 km) |
| Dayton to Sacavem | 3,889.46 mi (6,259.48 km) |
| Dayton to Salvaterra de Magos | 3,898.00 mi (6,273.22 km) |
| Dayton to Santa Comba Dao | 3,887.06 mi (6,255.61 km) |
| Dayton to Santa Cruz | 3,700.13 mi (5,954.79 km) |
| Dayton to Santa Iria da Azoia | 3,888.67 mi (6,258.21 km) |
