| Petal to Orbetello | 5,272.14 mi (8,484.70 km) |
| Petal to Oria | 5,624.69 mi (9,052.06 km) |
| Petal to Oristano | 5,240.49 mi (8,433.75 km) |
| Petal to Orta Nova | 5,509.35 mi (8,866.44 km) |
| Petal to Orte | 5,322.95 mi (8,566.46 km) |
| Petal to Ortona | 5,414.56 mi (8,713.90 km) |
| Petal to Orvieto | 5,301.78 mi (8,532.39 km) |
| Petal to Orzinuovi | 5,116.10 mi (8,233.56 km) |
| Petal to Osimo | 5,333.95 mi (8,584.17 km) |
| Petal to Ospitaletto | 5,116.88 mi (8,234.83 km) |
| Petal to Ostuni | 5,613.45 mi (9,033.98 km) |
| Petal to Ottaviano | 5,473.21 mi (8,808.29 km) |
| Petal to Ovada | 5,085.86 mi (8,184.90 km) |
| Petal to Ozieri | 5,236.48 mi (8,427.29 km) |
| Petal to Paceco | 5,491.15 mi (8,837.15 km) |
