| Marlton to Orbetello | 4,277.09 mi (6,883.32 km) |
| Marlton to Oria | 4,630.17 mi (7,451.54 km) |
| Marlton to Oristano | 4,245.79 mi (6,832.95 km) |
| Marlton to Orta Nova | 4,514.76 mi (7,265.80 km) |
| Marlton to Orte | 4,328.14 mi (6,965.47 km) |
| Marlton to Ortona | 4,420.23 mi (7,113.68 km) |
| Marlton to Orvieto | 4,307.04 mi (6,931.51 km) |
| Marlton to Orzinuovi | 4,122.82 mi (6,635.04 km) |
| Marlton to Osimo | 4,340.20 mi (6,984.88 km) |
| Marlton to Ospitaletto | 4,123.83 mi (6,636.67 km) |
| Marlton to Ostuni | 4,619.07 mi (7,433.67 km) |
| Marlton to Ottaviano | 4,478.12 mi (7,206.84 km) |
| Marlton to Ovada | 4,091.46 mi (6,584.56 km) |
| Marlton to Ozieri | 4,241.38 mi (6,825.84 km) |
| Marlton to Paceco | 4,496.51 mi (7,236.43 km) |
