| Rockport to Orbetello | 5,771.19 mi (9,287.84 km) |
| Rockport to Oria | 6,120.81 mi (9,850.49 km) |
| Rockport to Oristano | 5,747.60 mi (9,249.86 km) |
| Rockport to Orta Nova | 6,005.90 mi (9,665.56 km) |
| Rockport to Orte | 5,820.67 mi (9,367.46 km) |
| Rockport to Ortona | 5,910.22 mi (9,511.59 km) |
| Rockport to Orvieto | 5,799.18 mi (9,332.88 km) |
| Rockport to Orzinuovi | 5,609.01 mi (9,026.83 km) |
| Rockport to Osimo | 5,827.86 mi (9,379.03 km) |
| Rockport to Ospitaletto | 5,609.22 mi (9,027.17 km) |
| Rockport to Ostuni | 6,109.08 mi (9,831.62 km) |
| Rockport to Ottaviano | 5,972.35 mi (9,611.57 km) |
| Rockport to Ovada | 5,582.16 mi (8,983.61 km) |
| Rockport to Ozieri | 5,741.84 mi (9,240.60 km) |
| Rockport to Paceco | 5,998.33 mi (9,653.38 km) |
