| Columbia Heights to Oerlinghausen | 4,292.34 mi (6,907.86 km) |
| Columbia Heights to Oestrich-Winkel | 4,354.80 mi (7,008.38 km) |
| Columbia Heights to Offenburg | 4,419.50 mi (7,112.49 km) |
| Columbia Heights to Oftersheim | 4,402.56 mi (7,085.24 km) |
| Columbia Heights to Ohrdruf | 4,411.09 mi (7,098.96 km) |
| Columbia Heights to Ohringen | 4,441.79 mi (7,148.37 km) |
| Columbia Heights to Olbernhau | 4,504.23 mi (7,248.86 km) |
| Columbia Heights to Olching | 4,549.65 mi (7,321.95 km) |
| Columbia Heights to Oldenburg | 4,227.12 mi (6,802.89 km) |
| Columbia Heights to Oldenburg in Holstein | 4,263.16 mi (6,860.90 km) |
| Columbia Heights to Olfen | 4,259.99 mi (6,855.80 km) |
| Columbia Heights to Olpe | 4,305.15 mi (6,928.47 km) |
| Columbia Heights to Olsberg | 4,312.80 mi (6,940.78 km) |
| Columbia Heights to Oranienburg | 4,405.82 mi (7,090.48 km) |
| Columbia Heights to Ortenberg | 4,375.46 mi (7,041.62 km) |
