| Hybla Valley to Orbetello | 4,417.03 mi (7,108.52 km) |
| Hybla Valley to Oria | 4,770.11 mi (7,676.74 km) |
| Hybla Valley to Oristano | 4,385.36 mi (7,057.56 km) |
| Hybla Valley to Orta Nova | 4,654.69 mi (7,491.01 km) |
| Hybla Valley to Orte | 4,468.08 mi (7,190.68 km) |
| Hybla Valley to Ortona | 4,560.16 mi (7,338.87 km) |
| Hybla Valley to Orvieto | 4,446.98 mi (7,156.72 km) |
| Hybla Valley to Orzinuovi | 4,262.68 mi (6,860.13 km) |
| Hybla Valley to Osimo | 4,480.10 mi (7,210.03 km) |
| Hybla Valley to Ospitaletto | 4,263.68 mi (6,861.73 km) |
| Hybla Valley to Ostuni | 4,759.00 mi (7,658.87 km) |
| Hybla Valley to Ottaviano | 4,618.05 mi (7,432.03 km) |
| Hybla Valley to Ovada | 4,231.39 mi (6,809.76 km) |
| Hybla Valley to Ozieri | 4,381.08 mi (7,050.67 km) |
| Hybla Valley to Paceco | 4,636.06 mi (7,461.02 km) |
