| Columbia Heights to Norwich | 4,014.13 mi (6,460.11 km) |
| Columbia Heights to Nottingham | 3,916.40 mi (6,302.84 km) |
| Columbia Heights to Nuneaton | 3,921.08 mi (6,310.37 km) |
| Columbia Heights to Oadby | 3,932.15 mi (6,328.19 km) |
| Columbia Heights to Oakengates | 3,879.82 mi (6,243.97 km) |
| Columbia Heights to Oakham | 3,941.58 mi (6,343.36 km) |
| Columbia Heights to Oldbury | 3,902.26 mi (6,280.08 km) |
| Columbia Heights to Oldham | 3,860.89 mi (6,213.50 km) |
| Columbia Heights to Ollerton | 3,911.85 mi (6,295.52 km) |
| Columbia Heights to Olton | 3,912.22 mi (6,296.11 km) |
| Columbia Heights to Omagh | 3,642.86 mi (5,862.61 km) |
| Columbia Heights to Ormesby | 3,857.07 mi (6,207.35 km) |
| Columbia Heights to Ormskirk | 3,833.06 mi (6,168.72 km) |
| Columbia Heights to Orpington | 4,020.34 mi (6,470.12 km) |
| Columbia Heights to Ossett | 3,874.74 mi (6,235.79 km) |
