| Columbia Heights to Noventa Vicentina | 4,692.09 mi (7,551.19 km) |
| Columbia Heights to Novi di Modena | 4,687.47 mi (7,543.76 km) |
| Columbia Heights to Novi Ligure | 4,616.34 mi (7,429.29 km) |
| Columbia Heights to Nuoro | 4,842.69 mi (7,793.55 km) |
| Columbia Heights to Occhiobello | 4,710.71 mi (7,581.16 km) |
| Columbia Heights to Oderzo | 4,702.93 mi (7,568.63 km) |
| Columbia Heights to Oggiono | 4,590.34 mi (7,387.43 km) |
| Columbia Heights to Olbia | 4,820.94 mi (7,758.56 km) |
| Columbia Heights to Oleggio | 4,572.58 mi (7,358.85 km) |
| Columbia Heights to Olgiate Comasco | 4,576.42 mi (7,365.04 km) |
| Columbia Heights to Olgiate Olona | 4,580.19 mi (7,371.10 km) |
| Columbia Heights to Omegna | 4,551.76 mi (7,325.34 km) |
| Columbia Heights to Opera | 4,603.71 mi (7,408.96 km) |
| Columbia Heights to Oppeano | 4,678.75 mi (7,529.72 km) |
| Columbia Heights to Orbassano | 4,558.92 mi (7,336.87 km) |
