| Norcross to Orbetello | 4,933.42 mi (7,939.58 km) |
| Norcross to Oria | 5,286.86 mi (8,508.38 km) |
| Norcross to Oristano | 4,899.24 mi (7,884.56 km) |
| Norcross to Orta Nova | 5,171.42 mi (8,322.60 km) |
| Norcross to Orte | 4,984.68 mi (8,022.07 km) |
| Norcross to Ortona | 5,077.00 mi (8,170.64 km) |
| Norcross to Orvieto | 4,963.63 mi (7,988.20 km) |
| Norcross to Orzinuovi | 4,779.73 mi (7,692.24 km) |
| Norcross to Osimo | 4,997.09 mi (8,042.04 km) |
| Norcross to Ospitaletto | 4,780.75 mi (7,693.87 km) |
| Norcross to Ostuni | 5,275.81 mi (8,490.60 km) |
| Norcross to Ottaviano | 5,134.39 mi (8,263.00 km) |
| Norcross to Ovada | 4,748.21 mi (7,641.51 km) |
| Norcross to Ozieri | 4,895.72 mi (7,878.90 km) |
| Norcross to Paceco | 5,149.83 mi (8,287.86 km) |
