| Millcreek to Orbetello | 5,683.00 mi (9,145.91 km) |
| Millcreek to Oria | 5,992.82 mi (9,644.52 km) |
| Millcreek to Oristano | 5,727.34 mi (9,217.26 km) |
| Millcreek to Orta Nova | 5,886.99 mi (9,474.20 km) |
| Millcreek to Orte | 5,719.99 mi (9,205.43 km) |
| Millcreek to Ortona | 5,790.02 mi (9,318.14 km) |
| Millcreek to Orvieto | 5,697.31 mi (9,168.93 km) |
| Millcreek to Orzinuovi | 5,486.02 mi (8,828.90 km) |
| Millcreek to Osimo | 5,699.83 mi (9,172.98 km) |
| Millcreek to Ospitaletto | 5,482.37 mi (8,823.01 km) |
| Millcreek to Ostuni | 5,978.23 mi (9,621.03 km) |
| Millcreek to Ottaviano | 5,874.27 mi (9,453.72 km) |
| Millcreek to Ovada | 5,483.99 mi (8,825.62 km) |
| Millcreek to Ozieri | 5,706.28 mi (9,183.37 km) |
| Millcreek to Paceco | 5,965.82 mi (9,601.05 km) |
