| Marple to Orbetello | 971.93 mi (1,564.17 km) |
| Marple to Oria | 1,279.14 mi (2,058.57 km) |
| Marple to Oristano | 1,057.64 mi (1,702.11 km) |
| Marple to Orta Nova | 1,171.41 mi (1,885.20 km) |
| Marple to Orte | 1,005.33 mi (1,617.92 km) |
| Marple to Ortona | 1,074.23 mi (1,728.80 km) |
| Marple to Orvieto | 982.66 mi (1,581.44 km) |
| Marple to Orzinuovi | 770.17 mi (1,239.47 km) |
| Marple to Osimo | 984.37 mi (1,584.19 km) |
| Marple to Ospitaletto | 766.36 mi (1,233.34 km) |
| Marple to Ostuni | 1,265.03 mi (2,035.86 km) |
| Marple to Ottaviano | 1,158.86 mi (1,865.01 km) |
| Marple to Ovada | 773.87 mi (1,245.43 km) |
| Marple to Ozieri | 1,024.72 mi (1,649.12 km) |
| Marple to Paceco | 1,271.85 mi (2,046.85 km) |
