| Columbine to Orbetello | 5,509.15 mi (8,866.12 km) |
| Columbine to Oria | 5,832.75 mi (9,386.91 km) |
| Columbine to Oristano | 5,535.81 mi (8,909.02 km) |
| Columbine to Orta Nova | 5,723.43 mi (9,210.97 km) |
| Columbine to Orte | 5,549.88 mi (8,931.66 km) |
| Columbine to Ortona | 5,625.92 mi (9,054.04 km) |
| Columbine to Orvieto | 5,527.31 mi (8,895.34 km) |
| Columbine to Orzinuovi | 5,319.83 mi (8,561.43 km) |
| Columbine to Osimo | 5,537.04 mi (8,911.00 km) |
| Columbine to Ospitaletto | 5,317.20 mi (8,557.21 km) |
| Columbine to Ostuni | 5,818.82 mi (9,364.49 km) |
| Columbine to Ottaviano | 5,704.88 mi (9,181.12 km) |
| Columbine to Ovada | 5,310.97 mi (8,547.18 km) |
| Columbine to Ozieri | 5,518.57 mi (8,881.29 km) |
| Columbine to Paceco | 5,779.68 mi (9,301.50 km) |
