| Maumee to Orbetello | 4,585.74 mi (7,380.04 km) |
| Maumee to Oria | 4,931.07 mi (7,935.79 km) |
| Maumee to Oristano | 4,575.95 mi (7,364.28 km) |
| Maumee to Orta Nova | 4,816.86 mi (7,751.99 km) |
| Maumee to Orte | 4,633.41 mi (7,456.75 km) |
| Maumee to Ortona | 4,720.41 mi (7,596.77 km) |
| Maumee to Orvieto | 4,611.58 mi (7,421.62 km) |
| Maumee to Orzinuovi | 4,417.03 mi (7,108.52 km) |
| Maumee to Osimo | 4,636.41 mi (7,461.58 km) |
| Maumee to Ospitaletto | 4,416.70 mi (7,107.99 km) |
| Maumee to Ostuni | 4,918.84 mi (7,916.11 km) |
| Maumee to Ottaviano | 4,786.53 mi (7,703.18 km) |
| Maumee to Ovada | 4,393.76 mi (7,071.07 km) |
| Maumee to Ozieri | 4,566.65 mi (7,349.31 km) |
| Maumee to Paceco | 4,825.94 mi (7,766.60 km) |
