| Pernes-les-Fontaines to Oria | 686.14 mi (1,104.24 km) |
| Pernes-les-Fontaines to Oristano | 335.90 mi (540.58 km) |
| Pernes-les-Fontaines to Orta Nova | 571.21 mi (919.28 km) |
| Pernes-les-Fontaines to Orte | 383.70 mi (617.50 km) |
| Pernes-les-Fontaines to Ortona | 483.95 mi (778.84 km) |
| Pernes-les-Fontaines to Orvieto | 364.96 mi (587.34 km) |
| Pernes-les-Fontaines to Orzinuovi | 258.19 mi (415.51 km) |
| Pernes-les-Fontaines to Osimo | 421.83 mi (678.87 km) |
| Pernes-les-Fontaines to Ospitaletto | 268.38 mi (431.91 km) |
| Pernes-les-Fontaines to Ostuni | 677.15 mi (1,089.76 km) |
| Pernes-les-Fontaines to Ottaviano | 526.89 mi (847.94 km) |
| Pernes-les-Fontaines to Ovada | 182.77 mi (294.13 km) |
| Pernes-les-Fontaines to Ozieri | 310.15 mi (499.14 km) |
| Pernes-les-Fontaines to Paceco | 569.88 mi (917.13 km) |
| Pernes-les-Fontaines to Pachino | 728.74 mi (1,172.80 km) |
