| Lower Burrell to Orbetello | 4,459.10 mi (7,176.23 km) |
| Lower Burrell to Oria | 4,808.64 mi (7,738.76 km) |
| Lower Burrell to Oristano | 4,438.74 mi (7,143.46 km) |
| Lower Burrell to Orta Nova | 4,693.71 mi (7,553.79 km) |
| Lower Burrell to Orte | 4,508.48 mi (7,255.69 km) |
| Lower Burrell to Ortona | 4,598.07 mi (7,399.89 km) |
| Lower Burrell to Orvieto | 4,486.98 mi (7,221.09 km) |
| Lower Burrell to Orzinuovi | 4,297.19 mi (6,915.67 km) |
| Lower Burrell to Osimo | 4,515.90 mi (7,267.64 km) |
| Lower Burrell to Ospitaletto | 4,297.52 mi (6,916.18 km) |
| Lower Burrell to Ostuni | 4,796.95 mi (7,719.94 km) |
| Lower Burrell to Ottaviano | 4,660.25 mi (7,499.95 km) |
| Lower Burrell to Ovada | 4,269.96 mi (6,871.84 km) |
| Lower Burrell to Ozieri | 4,431.83 mi (7,132.35 km) |
| Lower Burrell to Paceco | 4,689.36 mi (7,546.79 km) |
