| Tulcea to Quarteira | 1,981.62 mi (3,189.12 km) |
| Tulcea to Queluz | 1,985.94 mi (3,196.06 km) |
| Tulcea to Reguengos de Monsaraz | 1,911.56 mi (3,076.35 km) |
| Tulcea to Resende | 1,858.22 mi (2,990.51 km) |
| Tulcea to Ribeira Brava | 2,572.00 mi (4,139.23 km) |
| Tulcea to Ribeira Grande | 2,802.34 mi (4,509.93 km) |
| Tulcea to Rio de Mouro | 1,988.65 mi (3,200.42 km) |
| Tulcea to Rio Maior | 1,952.81 mi (3,142.75 km) |
| Tulcea to Rio Tinto | 1,885.34 mi (3,034.17 km) |
| Tulcea to Sabugal | 1,834.83 mi (2,952.87 km) |
| Tulcea to Sacavem | 1,976.82 mi (3,181.39 km) |
| Tulcea to Salvaterra de Magos | 1,954.63 mi (3,145.67 km) |
| Tulcea to Santa Comba Dao | 1,883.77 mi (3,031.63 km) |
| Tulcea to Santa Cruz | 2,559.85 mi (4,119.67 km) |
| Tulcea to Santa Iria da Azoia | 1,974.45 mi (3,177.58 km) |
