| Portes-les-Valence to Nazarje | 496.94 mi (799.75 km) |
| Portes-les-Valence to Nova Gorica | 431.50 mi (694.44 km) |
| Portes-les-Valence to Nova Vas | 471.64 mi (759.03 km) |
| Portes-les-Valence to Novo Mesto | 503.51 mi (810.32 km) |
| Portes-les-Valence to Odranci | 561.82 mi (904.16 km) |
| Portes-les-Valence to Oplotnica | 520.84 mi (838.21 km) |
| Portes-les-Valence to Ormoz | 554.20 mi (891.90 km) |
| Portes-les-Valence to Osilnica | 480.01 mi (772.50 km) |
| Portes-les-Valence to Pesnica | 533.72 mi (858.94 km) |
| Portes-les-Valence to Piran | 425.36 mi (684.56 km) |
| Portes-les-Valence to Pivka | 456.47 mi (734.63 km) |
| Portes-les-Valence to Podcetrtek | 526.16 mi (846.77 km) |
| Portes-les-Valence to Podlehnik | 540.87 mi (870.45 km) |
| Portes-les-Valence to Podvelka | 517.39 mi (832.67 km) |
| Portes-les-Valence to Poljcane | 526.50 mi (847.32 km) |
