| Knik-Fairview to Orbetello | 5,174.94 mi (8,328.26 km) |
| Knik-Fairview to Oria | 5,352.52 mi (8,614.05 km) |
| Knik-Fairview to Oristano | 5,323.94 mi (8,568.05 km) |
| Knik-Fairview to Orta Nova | 5,283.87 mi (8,503.57 km) |
| Knik-Fairview to Orte | 5,182.93 mi (8,341.12 km) |
| Knik-Fairview to Ortona | 5,205.28 mi (8,377.09 km) |
| Knik-Fairview to Orvieto | 5,163.16 mi (8,309.30 km) |
| Knik-Fairview to Orzinuovi | 4,962.58 mi (7,986.50 km) |
| Knik-Fairview to Osimo | 5,121.26 mi (8,241.87 km) |
| Knik-Fairview to Ospitaletto | 4,953.20 mi (7,971.41 km) |
| Knik-Fairview to Ostuni | 5,336.21 mi (8,587.81 km) |
| Knik-Fairview to Ottaviano | 5,308.51 mi (8,543.22 km) |
| Knik-Fairview to Ovada | 5,002.95 mi (8,051.47 km) |
| Knik-Fairview to Ozieri | 5,281.70 mi (8,500.08 km) |
| Knik-Fairview to Paceco | 5,490.04 mi (8,835.37 km) |
