| Melrose to Orbetello | 4,012.95 mi (6,458.22 km) |
| Melrose to Oria | 4,365.30 mi (7,025.27 km) |
| Melrose to Oristano | 3,984.97 mi (6,413.18 km) |
| Melrose to Orta Nova | 4,249.96 mi (6,839.65 km) |
| Melrose to Orte | 4,063.61 mi (6,539.75 km) |
| Melrose to Ortona | 4,155.18 mi (6,687.12 km) |
| Melrose to Orvieto | 4,042.42 mi (6,505.64 km) |
| Melrose to Orzinuovi | 3,857.05 mi (6,207.32 km) |
| Melrose to Osimo | 4,074.72 mi (6,557.62 km) |
| Melrose to Ospitaletto | 3,857.94 mi (6,208.76 km) |
| Melrose to Ostuni | 4,354.07 mi (7,007.20 km) |
| Melrose to Ottaviano | 4,214.06 mi (6,781.87 km) |
| Melrose to Ovada | 3,826.47 mi (6,158.11 km) |
| Melrose to Ozieri | 3,979.68 mi (6,404.67 km) |
| Melrose to Paceco | 4,235.71 mi (6,816.71 km) |
