| Flower Hill to Orbetello | 4,404.95 mi (7,089.09 km) |
| Flower Hill to Oria | 4,757.57 mi (7,656.58 km) |
| Flower Hill to Oristano | 4,374.98 mi (7,040.85 km) |
| Flower Hill to Orta Nova | 4,642.21 mi (7,470.92 km) |
| Flower Hill to Orte | 4,455.77 mi (7,170.87 km) |
| Flower Hill to Ortona | 4,547.51 mi (7,318.51 km) |
| Flower Hill to Orvieto | 4,434.61 mi (7,136.82 km) |
| Flower Hill to Orzinuovi | 4,249.49 mi (6,838.90 km) |
| Flower Hill to Osimo | 4,467.13 mi (7,189.16 km) |
| Flower Hill to Ospitaletto | 4,250.39 mi (6,840.35 km) |
| Flower Hill to Ostuni | 4,746.38 mi (7,638.56 km) |
| Flower Hill to Ottaviano | 4,606.03 mi (7,412.69 km) |
| Flower Hill to Ovada | 4,218.77 mi (6,789.46 km) |
| Flower Hill to Ozieri | 4,370.30 mi (7,033.32 km) |
| Flower Hill to Paceco | 4,625.71 mi (7,444.36 km) |
