| Palm Valley to Orbetello | 4,968.80 mi (7,996.50 km) |
| Palm Valley to Oria | 5,325.79 mi (8,571.04 km) |
| Palm Valley to Oristano | 4,916.92 mi (7,913.02 km) |
| Palm Valley to Orta Nova | 5,210.23 mi (8,385.06 km) |
| Palm Valley to Orte | 5,022.38 mi (8,082.74 km) |
| Palm Valley to Ortona | 5,118.06 mi (8,236.73 km) |
| Palm Valley to Orvieto | 5,002.08 mi (8,050.07 km) |
| Palm Valley to Orzinuovi | 4,827.72 mi (7,769.47 km) |
| Palm Valley to Osimo | 5,041.89 mi (8,114.14 km) |
| Palm Valley to Ospitaletto | 4,829.76 mi (7,772.75 km) |
| Palm Valley to Ostuni | 5,315.72 mi (8,554.83 km) |
| Palm Valley to Ottaviano | 5,168.38 mi (8,317.70 km) |
| Palm Valley to Ovada | 4,790.13 mi (7,708.96 km) |
| Palm Valley to Ozieri | 4,917.62 mi (7,914.14 km) |
| Palm Valley to Paceco | 5,166.00 mi (8,313.87 km) |
