| Cedar Lake to Orbetello | 4,749.13 mi (7,642.98 km) |
| Cedar Lake to Oria | 5,091.47 mi (8,193.93 km) |
| Cedar Lake to Oristano | 4,745.59 mi (7,637.29 km) |
| Cedar Lake to Orta Nova | 4,977.85 mi (8,011.07 km) |
| Cedar Lake to Orte | 4,795.70 mi (7,717.93 km) |
| Cedar Lake to Ortona | 4,881.00 mi (7,855.21 km) |
| Cedar Lake to Orvieto | 4,773.69 mi (7,682.52 km) |
| Cedar Lake to Orzinuovi | 4,576.45 mi (7,365.08 km) |
| Cedar Lake to Osimo | 4,795.97 mi (7,718.36 km) |
| Cedar Lake to Ospitaletto | 4,575.72 mi (7,363.91 km) |
| Cedar Lake to Ostuni | 5,078.93 mi (8,173.74 km) |
| Cedar Lake to Ottaviano | 4,949.47 mi (7,965.40 km) |
| Cedar Lake to Ovada | 4,555.65 mi (7,331.61 km) |
| Cedar Lake to Ozieri | 4,734.91 mi (7,620.10 km) |
| Cedar Lake to Paceco | 4,994.98 mi (8,038.64 km) |
