| Ferndale to Orbetello | 4,527.31 mi (7,286.00 km) |
| Ferndale to Oria | 4,871.78 mi (7,840.37 km) |
| Ferndale to Oristano | 4,519.67 mi (7,273.71 km) |
| Ferndale to Orta Nova | 4,757.73 mi (7,656.83 km) |
| Ferndale to Orte | 4,574.64 mi (7,362.18 km) |
| Ferndale to Ortona | 4,661.16 mi (7,501.41 km) |
| Ferndale to Orvieto | 4,552.76 mi (7,326.96 km) |
| Ferndale to Orzinuovi | 4,357.41 mi (7,012.58 km) |
| Ferndale to Osimo | 4,576.85 mi (7,365.74 km) |
| Ferndale to Ospitaletto | 4,356.97 mi (7,011.87 km) |
| Ferndale to Ostuni | 4,859.46 mi (7,820.55 km) |
| Ferndale to Ottaviano | 4,727.98 mi (7,608.95 km) |
| Ferndale to Ovada | 4,334.85 mi (6,976.27 km) |
| Ferndale to Ozieri | 4,509.86 mi (7,257.92 km) |
| Ferndale to Paceco | 4,769.46 mi (7,675.70 km) |
