| Commack to Orbetello | 4,169.00 mi (6,709.35 km) |
| Commack to Oria | 4,521.95 mi (7,277.38 km) |
| Commack to Oristano | 4,138.40 mi (6,660.11 km) |
| Commack to Orta Nova | 4,406.55 mi (7,091.66 km) |
| Commack to Orte | 4,219.98 mi (6,791.40 km) |
| Commack to Ortona | 4,311.99 mi (6,939.48 km) |
| Commack to Orvieto | 4,198.86 mi (6,757.42 km) |
| Commack to Orzinuovi | 4,014.49 mi (6,460.70 km) |
| Commack to Osimo | 4,231.91 mi (6,810.59 km) |
| Commack to Ospitaletto | 4,015.49 mi (6,462.31 km) |
| Commack to Ostuni | 4,510.83 mi (7,259.48 km) |
| Commack to Ottaviano | 4,370.04 mi (7,032.90 km) |
| Commack to Ovada | 3,983.22 mi (6,410.37 km) |
| Commack to Ozieri | 4,133.78 mi (6,652.68 km) |
| Commack to Paceco | 4,389.13 mi (7,063.62 km) |
