| Marrero to Orbetello | 5,378.38 mi (8,655.67 km) |
| Marrero to Oria | 5,731.55 mi (9,224.04 km) |
| Marrero to Oristano | 5,344.27 mi (8,600.77 km) |
| Marrero to Orta Nova | 5,616.14 mi (9,038.31 km) |
| Marrero to Orte | 5,429.51 mi (8,737.96 km) |
| Marrero to Ortona | 5,521.59 mi (8,886.14 km) |
| Marrero to Orvieto | 5,408.42 mi (8,704.02 km) |
| Marrero to Orzinuovi | 5,223.80 mi (8,406.90 km) |
| Marrero to Osimo | 5,441.39 mi (8,757.08 km) |
| Marrero to Ospitaletto | 5,224.71 mi (8,408.35 km) |
| Marrero to Ostuni | 5,720.43 mi (9,206.15 km) |
| Marrero to Ottaviano | 5,579.38 mi (8,979.14 km) |
| Marrero to Ovada | 5,192.82 mi (8,357.04 km) |
| Marrero to Ozieri | 5,340.87 mi (8,595.29 km) |
| Marrero to Paceco | 5,594.83 mi (9,004.02 km) |
