| East Niles to Orbetello | 6,207.75 mi (9,990.41 km) |
| East Niles to Oria | 6,512.72 mi (10,481.21 km) |
| East Niles to Oristano | 6,256.34 mi (10,068.61 km) |
| East Niles to Orta Nova | 6,408.26 mi (10,313.11 km) |
| East Niles to Orte | 6,243.59 mi (10,048.09 km) |
| East Niles to Ortona | 6,311.63 mi (10,157.58 km) |
| East Niles to Orvieto | 6,220.91 mi (10,011.58 km) |
| East Niles to Orzinuovi | 6,008.75 mi (9,670.15 km) |
| East Niles to Osimo | 6,221.13 mi (10,011.94 km) |
| East Niles to Ospitaletto | 6,004.77 mi (9,663.74 km) |
| East Niles to Ostuni | 6,497.92 mi (10,457.39 km) |
| East Niles to Ottaviano | 6,397.44 mi (10,295.68 km) |
| East Niles to Ovada | 6,008.74 mi (9,670.14 km) |
| East Niles to Ozieri | 6,234.50 mi (10,033.45 km) |
| East Niles to Paceco | 6,493.45 mi (10,450.19 km) |
