| Green Valley to Orbetello | 6,132.17 mi (9,868.78 km) |
| Green Valley to Oria | 6,458.89 mi (10,394.57 km) |
| Green Valley to Oristano | 6,152.62 mi (9,901.69 km) |
| Green Valley to Orta Nova | 6,348.89 mi (10,217.56 km) |
| Green Valley to Orte | 6,173.89 mi (9,935.92 km) |
| Green Valley to Ortona | 6,251.35 mi (10,060.57 km) |
| Green Valley to Orvieto | 6,151.38 mi (9,899.69 km) |
| Green Valley to Orzinuovi | 5,945.07 mi (9,567.67 km) |
| Green Valley to Osimo | 6,162.85 mi (9,918.15 km) |
| Green Valley to Ospitaletto | 5,942.69 mi (9,563.84 km) |
| Green Valley to Ostuni | 6,445.10 mi (10,372.39 km) |
| Green Valley to Ottaviano | 6,328.91 mi (10,185.40 km) |
| Green Valley to Ovada | 5,934.48 mi (9,550.62 km) |
| Green Valley to Ozieri | 6,136.93 mi (9,876.44 km) |
| Green Valley to Paceco | 6,398.20 mi (10,296.91 km) |
