| Orlando to Orbetello | 5,041.62 mi (8,113.70 km) |
| Orlando to Oria | 5,399.26 mi (8,689.27 km) |
| Orlando to Oristano | 4,984.25 mi (8,021.37 km) |
| Orlando to Orta Nova | 5,283.81 mi (8,503.47 km) |
| Orlando to Orte | 5,095.85 mi (8,200.98 km) |
| Orlando to Ortona | 5,192.44 mi (8,356.43 km) |
| Orlando to Orvieto | 5,075.81 mi (8,168.72 km) |
| Orlando to Orzinuovi | 4,904.57 mi (7,893.15 km) |
| Orlando to Osimo | 5,117.50 mi (8,235.83 km) |
| Orlando to Ospitaletto | 4,906.92 mi (7,896.92 km) |
| Orlando to Ostuni | 5,389.50 mi (8,673.57 km) |
| Orlando to Ottaviano | 5,240.52 mi (8,433.80 km) |
| Orlando to Ovada | 4,865.19 mi (7,829.77 km) |
| Orlando to Ozieri | 4,986.29 mi (8,024.66 km) |
| Orlando to Paceco | 5,232.49 mi (8,420.88 km) |
