| Cities | Distance |
|---|---|
| Pirot to Orbetello | 578.23 mi (930.57 km) |
| Pirot to Oria | 313.87 mi (505.12 km) |
| Pirot to Oristano | 756.69 mi (1,217.78 km) |
| Pirot to Orta Nova | 373.29 mi (600.75 km) |
| Pirot to Orte | 518.87 mi (835.04 km) |
| Pirot to Ortona | 418.78 mi (673.96 km) |
| Pirot to Orvieto | 530.36 mi (853.54 km) |
| Pirot to Orzinuovi | 644.11 mi (1,036.60 km) |
| Pirot to Osimo | 457.88 mi (736.89 km) |
| Pirot to Ospitaletto | 639.30 mi (1,028.85 km) |
| Pirot to Ostuni | 306.51 mi (493.28 km) |
| Pirot to Ottaviano | 445.40 mi (716.80 km) |
| Pirot to Ovada | 700.67 mi (1,127.61 km) |
| Pirot to Ozieri | 720.07 mi (1,158.83 km) |
| Pirot to Paceco | 635.64 mi (1,022.96 km) |