| Deming to Orbetello | 5,988.63 mi (9,637.77 km) |
| Deming to Oria | 6,320.03 mi (10,171.10 km) |
| Deming to Oristano | 6,002.14 mi (9,659.51 km) |
| Deming to Orta Nova | 6,208.90 mi (9,992.27 km) |
| Deming to Orte | 6,031.73 mi (9,707.13 km) |
| Deming to Ortona | 6,111.39 mi (9,835.33 km) |
| Deming to Orvieto | 6,009.32 mi (9,671.07 km) |
| Deming to Orzinuovi | 5,805.07 mi (9,342.36 km) |
| Deming to Osimo | 6,023.66 mi (9,694.14 km) |
| Deming to Ospitaletto | 5,803.11 mi (9,339.20 km) |
| Deming to Ostuni | 6,306.55 mi (10,149.41 km) |
| Deming to Ottaviano | 6,186.64 mi (9,956.43 km) |
| Deming to Ovada | 5,791.79 mi (9,320.99 km) |
| Deming to Ozieri | 5,987.97 mi (9,636.70 km) |
| Deming to Paceco | 6,249.16 mi (10,057.04 km) |
