| Palmetto to Orbetello | 5,141.75 mi (8,274.85 km) |
| Palmetto to Oria | 5,499.40 mi (8,850.43 km) |
| Palmetto to Oristano | 5,084.10 mi (8,182.07 km) |
| Palmetto to Orta Nova | 5,383.95 mi (8,664.64 km) |
| Palmetto to Orte | 5,195.99 mi (8,362.15 km) |
| Palmetto to Ortona | 5,292.60 mi (8,517.61 km) |
| Palmetto to Orvieto | 5,175.96 mi (8,329.90 km) |
| Palmetto to Orzinuovi | 5,004.71 mi (8,054.30 km) |
| Palmetto to Osimo | 5,217.66 mi (8,397.01 km) |
| Palmetto to Ospitaletto | 5,007.04 mi (8,058.05 km) |
| Palmetto to Ostuni | 5,489.65 mi (8,834.74 km) |
| Palmetto to Ottaviano | 5,340.63 mi (8,594.91 km) |
| Palmetto to Ovada | 4,965.35 mi (7,990.96 km) |
| Palmetto to Ozieri | 5,086.24 mi (8,185.51 km) |
| Palmetto to Paceco | 5,332.27 mi (8,581.45 km) |
