| Cities | Distance |
|---|---|
| Montmelo to Orbetello | 464.03 mi (746.79 km) |
| Montmelo to Oria | 804.07 mi (1,294.02 km) |
| Montmelo to Oristano | 350.93 mi (564.77 km) |
| Montmelo to Orta Nova | 696.68 mi (1,121.20 km) |
| Montmelo to Orte | 523.82 mi (843.00 km) |
| Montmelo to Ortona | 626.20 mi (1,007.77 km) |
| Montmelo to Orvieto | 511.25 mi (822.78 km) |
| Montmelo to Orzinuovi | 467.62 mi (752.57 km) |
| Montmelo to Osimo | 586.87 mi (944.48 km) |
| Montmelo to Ospitaletto | 479.08 mi (771.00 km) |
| Montmelo to Ostuni | 798.77 mi (1,285.50 km) |
| Montmelo to Ottaviano | 636.97 mi (1,025.11 km) |
| Montmelo to Ovada | 386.55 mi (622.09 km) |
| Montmelo to Ozieri | 358.01 mi (576.15 km) |
| Montmelo to Paceco | 599.56 mi (964.90 km) |