| Manitowoc to Orbetello | 4,642.43 mi (7,471.26 km) |
| Manitowoc to Oria | 4,980.10 mi (8,014.70 km) |
| Manitowoc to Oristano | 4,648.51 mi (7,481.05 km) |
| Manitowoc to Orta Nova | 4,867.44 mi (7,833.38 km) |
| Manitowoc to Orte | 4,687.37 mi (7,543.59 km) |
| Manitowoc to Ortona | 4,770.19 mi (7,676.89 km) |
| Manitowoc to Orvieto | 4,665.15 mi (7,507.83 km) |
| Manitowoc to Orzinuovi | 4,464.53 mi (7,184.96 km) |
| Manitowoc to Osimo | 4,683.90 mi (7,538.00 km) |
| Manitowoc to Ospitaletto | 4,463.26 mi (7,182.92 km) |
| Manitowoc to Ostuni | 4,967.15 mi (7,993.85 km) |
| Manitowoc to Ottaviano | 4,841.82 mi (7,792.16 km) |
| Manitowoc to Ovada | 4,447.13 mi (7,156.96 km) |
| Manitowoc to Ozieri | 4,635.61 mi (7,460.30 km) |
| Manitowoc to Paceco | 4,896.52 mi (7,880.19 km) |
