| Clarksburg to Quarteira | 3,665.76 mi (5,899.47 km) |
| Clarksburg to Queluz | 3,560.18 mi (5,729.56 km) |
| Clarksburg to Reguengos de Monsaraz | 3,655.13 mi (5,882.36 km) |
| Clarksburg to Resende | 3,560.61 mi (5,730.25 km) |
| Clarksburg to Ribeira Brava | 3,336.57 mi (5,369.68 km) |
| Clarksburg to Ribeira Grande | 2,760.31 mi (4,442.28 km) |
| Clarksburg to Rio de Mouro | 3,556.42 mi (5,723.51 km) |
| Clarksburg to Rio Maior | 3,560.70 mi (5,730.39 km) |
| Clarksburg to Rio Tinto | 3,530.01 mi (5,681.00 km) |
| Clarksburg to Sabugal | 3,623.32 mi (5,831.16 km) |
| Clarksburg to Sacavem | 3,566.96 mi (5,740.47 km) |
| Clarksburg to Salvaterra de Magos | 3,576.73 mi (5,756.19 km) |
| Clarksburg to Santa Comba Dao | 3,571.88 mi (5,748.38 km) |
| Clarksburg to Santa Cruz | 3,349.66 mi (5,390.75 km) |
| Clarksburg to Santa Iria da Azoia | 3,566.38 mi (5,739.53 km) |
