| Beloit to Orbetello | 4,762.68 mi (7,664.80 km) |
| Beloit to Oria | 5,101.68 mi (8,210.36 km) |
| Beloit to Oristano | 4,765.90 mi (7,669.98 km) |
| Beloit to Orta Nova | 4,988.75 mi (8,028.61 km) |
| Beloit to Orte | 4,808.08 mi (7,737.86 km) |
| Beloit to Ortona | 4,891.59 mi (7,872.26 km) |
| Beloit to Orvieto | 4,785.92 mi (7,702.20 km) |
| Beloit to Orzinuovi | 4,586.17 mi (7,380.72 km) |
| Beloit to Osimo | 4,805.61 mi (7,733.88 km) |
| Beloit to Ospitaletto | 4,585.04 mi (7,378.91 km) |
| Beloit to Ostuni | 5,088.83 mi (8,189.68 km) |
| Beloit to Ottaviano | 4,962.38 mi (7,986.18 km) |
| Beloit to Ovada | 4,567.85 mi (7,351.25 km) |
| Beloit to Ozieri | 4,753.69 mi (7,650.33 km) |
| Beloit to Paceco | 5,014.40 mi (8,069.89 km) |
