| Isernia to Queluz | 1,252.44 mi (2,015.62 km) |
| Isernia to Reguengos de Monsaraz | 1,169.80 mi (1,882.61 km) |
| Isernia to Resende | 1,148.90 mi (1,848.98 km) |
| Isernia to Ribeira Brava | 1,818.22 mi (2,926.15 km) |
| Isernia to Ribeira Grande | 2,110.49 mi (3,396.50 km) |
| Isernia to Rio de Mouro | 1,255.53 mi (2,020.57 km) |
| Isernia to Rio Maior | 1,224.37 mi (1,970.43 km) |
| Isernia to Rio Tinto | 1,178.75 mi (1,897.01 km) |
| Isernia to Sabugal | 1,112.81 mi (1,790.90 km) |
| Isernia to Sacavem | 1,243.28 mi (2,000.87 km) |
| Isernia to Salvaterra de Magos | 1,222.39 mi (1,967.24 km) |
| Isernia to Santa Comba Dao | 1,165.45 mi (1,875.60 km) |
| Isernia to Santa Cruz | 1,805.49 mi (2,905.66 km) |
| Isernia to Santa Iria da Azoia | 1,241.38 mi (1,997.81 km) |
| Isernia to Santarem | 1,213.37 mi (1,952.73 km) |
