| Scottsdale to Orbetello | 6,063.38 mi (9,758.07 km) |
| Scottsdale to Oria | 6,385.59 mi (10,276.62 km) |
| Scottsdale to Oristano | 6,090.55 mi (9,801.79 km) |
| Scottsdale to Orta Nova | 6,276.69 mi (10,101.36 km) |
| Scottsdale to Orte | 6,103.80 mi (9,823.12 km) |
| Scottsdale to Ortona | 6,179.21 mi (9,944.48 km) |
| Scottsdale to Orvieto | 6,081.22 mi (9,786.77 km) |
| Scottsdale to Orzinuovi | 5,873.26 mi (9,452.10 km) |
| Scottsdale to Osimo | 6,090.13 mi (9,801.12 km) |
| Scottsdale to Ospitaletto | 5,870.51 mi (9,447.67 km) |
| Scottsdale to Ostuni | 6,371.56 mi (10,254.04 km) |
| Scottsdale to Ottaviano | 6,258.78 mi (10,072.54 km) |
| Scottsdale to Ovada | 5,865.09 mi (9,438.95 km) |
| Scottsdale to Ozieri | 6,073.35 mi (9,774.12 km) |
| Scottsdale to Paceco | 6,334.46 mi (10,194.33 km) |
